diff --git a/builder.cpp b/builder.cpp
index d039360..5905cbd 100644
--- a/builder.cpp
+++ b/builder.cpp
@@ -40,7 +40,7 @@ void Builder::run_build(GameEngine &game, const char* command) {
   FILE *build_out = popen(command, "r");
   dbc::check(build_out != nullptr, "Failed to run command.");
 
-  int hit_count = 0;
+  game.start_round();
 
   while(fgets(buffer, BUF_MAX, build_out) != nullptr) {
     string line(buffer);  // yeah, that's probably a problem
@@ -63,7 +63,6 @@ void Builder::run_build(GameEngine &game, const char* command) {
       gui.output(format("\nHIT WITH {} @ {}:{}:{} {}", type, file_name, lnumber, col, message));
 
       game.hit(type);
-      ++hit_count;
 
       // refactor this
       if(game.is_dead()) {
@@ -72,9 +71,7 @@ void Builder::run_build(GameEngine &game, const char* command) {
     }
   }
 
-  if(hit_count == 0) {
-    game.heal(10);
-  }
+  game.end_round();
 
   int rc = pclose(build_out);
   if(rc == 0) {
diff --git a/game_engine.cpp b/game_engine.cpp
index 6e2fe5a..892a80a 100644
--- a/game_engine.cpp
+++ b/game_engine.cpp
@@ -136,16 +136,28 @@ int GameEngine::determine_damage(string &type) {
   }
 }
 
+void GameEngine::start_round() {
+  hits_taken = 0;
+}
+
+void GameEngine::end_round() {
+  if(hits_taken == 0) {
+    heal();
+  }
+}
+
 bool GameEngine::hit(string &type) {
   int damage = determine_damage(type);
   hit_points -= damage;
+  ++hits_taken;
 
   // super dumb but I'll clean it up later
   return is_dead();
 }
 
-void GameEngine::heal(int amount) {
-  hit_points += amount;
+void GameEngine::heal() {
+  hit_points = hit_points * 1.10;
+  if(hit_points > 100) hit_points = 100;
 }
 
 bool GameEngine::is_dead() {
diff --git a/game_engine.hpp b/game_engine.hpp
index a8d5dd2..604e3c6 100644
--- a/game_engine.hpp
+++ b/game_engine.hpp
@@ -36,14 +36,19 @@ class GameEngine {
 
   public:
   int hit_points = 0;
+  int hits_taken = 0;
 
   GameEngine(int hp);
 
   int determine_damage(string &type);
 
+  void start_round();
+
+  void end_round();
+
   bool hit(string &type);
 
   bool is_dead();
 
-  void heal(int amount);
+  void heal();
 };
diff --git a/gui.cpp b/gui.cpp
index 8f0aa2f..bb29ac1 100644
--- a/gui.cpp
+++ b/gui.cpp
@@ -76,6 +76,9 @@ int GUI::main_loop(GameEngine &game, std::function<bool()> runner) {
 
   while (!loop.HasQuitted()) {
     int run_error = runner();
+
+    if(run_error != 0) output("RUNNER ERROR!!!! CATASTROPHIC!!!");
+
     loop.RunOnce();
     screen.Post(Event::Custom);
     std::this_thread::sleep_for(std::chrono::milliseconds(10));