Personally i'd line somebody else up first. Then just dump her, don't try and be a ******* because it'll be so obvious that you're trying to be as horrible as you can and then implicitly that you...
but there's no way she just 'touched the guys dick', i mean honestly has a girl ever 'touched your dick' and then you both went your separate ways for the night. She...
By doing the added cardio it will allow you to eat more calories so it could help. But it's important to count calories to a degree or at least have a decent idea of how many calories you are...