you know you've played too much FH when... you need to hold yourself from asuming a military stance/ performing an 'I'm holding a gun and firing it military style'-impersonation, evidence that you are daydreaming about some past action on a FH server
you know you've played too much FH when... you find yourself jump a puddle or something and get concerned you might run out of stamina in the event you need to dash helter-skelter from some marauding tan... oh, ya... real life