diff --git a/lib/fun.rb b/lib/fun.rb
index 99ddd7d..9705a87 100755
--- a/lib/fun.rb
+++ b/lib/fun.rb
@@ -1,13 +1,13 @@
 module Fun
   def self.interpret(command)
     responses = []
-    
+
     if command.match(/^what\'?s?(\s+is)?\s+the\s+meaning\s+of\s+life\??$/i)
       responses << {
         :say => "42."
       }
     end
-    
+
     if command.match(/^superman\s+vs\s+batman$/i)
       responses << {
         say: [true,false].sample ? "Batman" : "Superman"
@@ -20,60 +20,60 @@ def self.interpret(command)
       }
     end
 
-    
+
     if command.match(/^open\s(the\s)?pod\sbay\sdoor(s)?$/i)
       responses << {
         :say => "I'm sorry, Dave. I'm afraid I can't do that."
       }
     end
-    
+
     if command.match(/^make\s+me\s+a\s+(.+)$/i)
       thing = "#{ $1 }"
       responses << {
         :call => lambda { self.make_me_a(thing) }
       }
     end
-    
+
     if command.match(/^sudo\s+make\s+me\s+a\s+(.+)$/i)
       responses << {
         :say => "I think you meant to place sudo at the start of the command."
       }
     end
-    
+
     if command.match(/^what\'?s?(\s+is)?\s+my\s(mother\s+fucking?)\s+name\??$/i)
       responses << {
         :say => "Snoop Doggy Dogg."
       }
     end
-    
+
     if command.match(/^you\'?(re)?\s+(are\s+)?(cool|awesome|amazing|fun(ny)?|rock\s+my\s+world|rule)$/i)
       responses << {
         :say => "You betcha."
       }
     end
-    
+
     if command.match(/^go\s+crazy$/i) || command.match(/^trip\s+(out|acid)$/i)
       responses << {
         :call => lambda { self.go_crazy },
         :say => "Woah."
       }
     end
-    
+
     if command.match(/go home/)
       responses << {
         :command => "cd ~"
       }
     end
-    
+
     if command.match(/sing (.*)/)
       responses << {
         :command => "say -v cello #{$~}"
       }
     end
-    
+
     responses
   end
-  
+
   def self.make_me_a(thing)
     if Process.uid != 0
       puts "Make your own damn #{thing}."
@@ -81,21 +81,23 @@ def self.make_me_a(thing)
       puts "Ha, like sudo has any effect on me!"
     end
   end
-  
+
   def self.go_crazy
+    term_color_cmd = "osascript -e \"tell application \\\"Terminal\\\" to set background color of window 1 to {%d,%d,%d,0}\" 2> /dev/null".freeze
+
     (0...63).step(3) do |i|
-      system "osascript -e \"tell application \\\"Terminal\\\" to set background color of window 1 to {64000,#{ 64 - i }000,63000,0}\""
+      system format(term_color_cmd, 64_000, (64 - i) * 1_000, 63_000)
     end
 
     (0...63).step(3) do |i|
-      system "osascript -e \"tell application \\\"Terminal\\\" to set background color of window 1 to {#{ 64 - i }000,#{ i }000,63000,0}\""
+      system format(term_color_cmd, (64 - i) * 1_000, 64_000, 63_000)
     end
 
     (0...63).step(3) do |i|
-      system "osascript -e \"tell application \\\"Terminal\\\" to set background color of window 1 to {#{ i }000,63000,#{ 63 - i }000,0}\""
+      system format(term_color_cmd, 64_000, 64_000, (63 - i) * 1_000)
     end
-    
-    system 'osascript -e "tell application \"Terminal\" to set background color of window 1 to {64000,64000,64000,0}"'
+
+    system format(term_color_cmd, 64_000, 64_000, 64_0000)
   end
 
   def self.help