Well it is a medical fact that sex too close to a fight....( unlike the old days when it was rumored you should go weeks without it) causes the whole body to be weak for a brief time....You should not have sex at least a week before fighting.....

Believe it or not there are a lot and I mean a lot of vitimins and such your body looses at the big moment ....

Takes a bit to build back up.....Plus the natrual aggression that builds up from not getting any