diff --git a/core/Material.cpp b/core/Material.cpp
index 4f3a589..b037263 100644
--- a/core/Material.cpp
+++ b/core/Material.cpp
@@ -32,8 +32,7 @@ Texture Texture::FromFile(const char *filename) {
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tex.width, tex.height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
     glGenerateMipmap(GL_TEXTURE_2D);
   } else {
-    std::cout << "Error loading texture file: " << filename << std::endl;
-    exit(1);
+    Util::Die("Error loading texture file: ",  filename);
   }
 
   stbi_image_free(data);
diff --git a/core/Material.h b/core/Material.h
index 96c727e..dfec8ab 100644
--- a/core/Material.h
+++ b/core/Material.h
@@ -1,13 +1,11 @@
 #ifndef MATERIAL_H
 #define MATERIAL_H
 
-#include <iostream>
-#include <stdlib.h>
-
 #include <GL/glew.h>
 #include "stb_image.h"
 
 #include "types.h"
+#include "Util.h"
 
 struct Color {
   cfloat r, g, b;
diff --git a/core/Mesh.cpp b/core/Mesh.cpp
index 26d8706..8891d01 100644
--- a/core/Mesh.cpp
+++ b/core/Mesh.cpp
@@ -52,16 +52,33 @@ Mesh* Mesh::FromFile(const char *filename) {
     );
 
   if (!scene) {
-    std::cerr << importer.GetErrorString() << std::endl;
-    exit(1);
+    Util::Die(importer.GetErrorString());
   }
 
   aiNode *root = scene->mRootNode;
   aiMesh *mesh_to_import = scene->mMeshes[root->mMeshes[0]];
 
-  return Util::aiMesh2Mesh(mesh_to_import);
+  return aiMesh2Mesh(mesh_to_import);
 }
 
+Mesh *Mesh::aiMesh2Mesh(aiMesh *aimesh){
+  Mesh *mymesh = new Mesh();
+  for (int i = 0; i < aimesh->mNumVertices; i++) {
+    aiVector3D aiPosition = aimesh->mVertices[i];
+    aiVector3D aiUV = aimesh->mTextureCoords[0][i]; // TODO get ALL texture coords
+    Vertex vertex(aiPosition.x, aiPosition.y, aiPosition.z, aiUV.x, aiUV.y);
+    mymesh->vertices.push_back(vertex);
+  }
+  for (int i = 0; i < aimesh->mNumFaces; i++) {
+    // We're importing triangulated meshes, so each face is three indices
+    unsigned int *face = aimesh->mFaces[i].mIndices;
+    Index index(face[0], face[1], face[2]);
+    mymesh->indices.push_back(index);
+  }
+  return mymesh;
+}
+
+
 void Mesh::Draw() {
   glBindVertexArray(VAO);
   glDrawElements(GL_TRIANGLES, indices.size() * 3, GL_UNSIGNED_INT, 0);
diff --git a/core/Mesh.h b/core/Mesh.h
index ae57ad7..4353926 100644
--- a/core/Mesh.h
+++ b/core/Mesh.h
@@ -2,8 +2,6 @@
 #define MESH_H
 
 #include <list>
-#include <iostream>
-#include <stdlib.h>
 
 // Thirdpart includes
 #include <assimp/Importer.hpp>
@@ -31,6 +29,7 @@ public:
   virtual void SetupMesh();
 private:
   Id VAO, VBO, EBO;
+  static Mesh *aiMesh2Mesh(aiMesh *mesh);
 };
 
 typedef std::list<Mesh*> MeshList;
diff --git a/core/Scripting/Lua.cpp b/core/Scripting/Lua.cpp
index 93bc944..dcd58a7 100644
--- a/core/Scripting/Lua.cpp
+++ b/core/Scripting/Lua.cpp
@@ -25,8 +25,7 @@ void Lua::Initialize() {
       Error();
     }
   } else if (err == LUA_ERRFILE) {
-    std::cerr << "Could not find main.lua." << std::endl;
-    exit(1);
+    Util::Die("Could not find main.lua.");
   } else {
     // Syntax error
     Error();
@@ -38,8 +37,7 @@ void Lua::Initialize() {
   input->keyHandlers.push_back(LuaKeyHandler);
   input->mousePositionHandlers.push_back(LuaMousePositionHandler);
 #else // LUA_SCRIPTING
-  std::cerr << "Lua is selected as scripting language, but this binary was built without Lua support." << std::endl;
-  exit(1);
+  Util::Die("Lua is selected as scripting language, but this binary was built without Lua support.");
 #endif // LUA_SCRIPTING
 }
 
@@ -60,9 +58,9 @@ void Lua::Close() {
 void Lua::Error() {
 #ifdef LUA_SCRIPTING
   const char *error = lua_tolstring(L, -1, 0);
-  std::cerr << error << std::endl;
+  Util::Die(error);
 #endif // LUA_SCRIPTING
-  exit(1);
+  Util::Die("Whut?");
 }
 
 void Lua::LuaKeyHandler(Window *window, int key, int code, int action, int mods) {
diff --git a/core/Scripting/Lua.h b/core/Scripting/Lua.h
index de75192..60968ab 100644
--- a/core/Scripting/Lua.h
+++ b/core/Scripting/Lua.h
@@ -1,10 +1,8 @@
 #ifndef LUA_H
 #define LUA_H
 
-#include <iostream>
-#include <stdlib.h>
-
 #include "Input.h"
+#include "Util.h"
 
 #ifdef LUA_SCRIPTING
 // Lua includes
diff --git a/core/Util.cpp b/core/Util.cpp
index 3f3f741..bbb817e 100644
--- a/core/Util.cpp
+++ b/core/Util.cpp
@@ -1,18 +1,16 @@
 #include "Util.h"
 
-Mesh *Util::aiMesh2Mesh(aiMesh *aimesh){
-  Mesh *mymesh = new Mesh();
-  for (int i = 0; i < aimesh->mNumVertices; i++) {
-    aiVector3D aiPosition = aimesh->mVertices[i];
-    aiVector3D aiUV = aimesh->mTextureCoords[0][i]; // TODO get ALL texture coords
-    Vertex vertex(aiPosition.x, aiPosition.y, aiPosition.z, aiUV.x, aiUV.y);
-    mymesh->vertices.push_back(vertex);
-  }
-  for (int i = 0; i < aimesh->mNumFaces; i++) {
-    // We're importing triangulated meshes, so each face is three indices
-    unsigned int *face = aimesh->mFaces[i].mIndices;
-    Index index(face[0], face[1], face[2]);
-    mymesh->indices.push_back(index);
-  }
-  return mymesh;
+void Util::Die(const char * msg) {
+  std::cerr << msg << std::endl;
+  exit(1);
+}
+
+void Util::Die(const char * msg, const char * more) {
+  std::cerr << msg << more << std::endl;
+  exit(1);
+}
+
+void Util::Die(std::string msg) {
+  std::cerr << msg << std::endl;
+  exit(1);
 }
diff --git a/core/Util.h b/core/Util.h
index 20e6fe5..64581a9 100644
--- a/core/Util.h
+++ b/core/Util.h
@@ -1,15 +1,14 @@
 #ifndef UTIL_H
 #define UTIL_H
 
-// Thirdparty includes
-#include <assimp/mesh.h>
-
-// Gahhhhhh mutual inclusion!
-#include "Mesh.h"
-class Mesh;
+#include <iostream>
+#include <string>
+#include <stdlib.h>
 
 namespace Util {
-  Mesh *aiMesh2Mesh(aiMesh *mesh);
+  void Die(const char *msg);
+  void Die(const char * msg, const char * more);
+  void Die(std::string msg);
 }
 
 #endif /* UTIL_H */