 [ Symptoms ] why do not i get sick  my name is matt i have been wondering for a few years now why i do not get sick that often there are times i can go years without getting sick i am 30 years old i smoke and have high calorie count so i know i am not that healthy i get maybe one cold a year or every 2 years i just do not understand it i am not saying i want to get sick it just seems impossible for me to get sick [ Disease ] hi ok think of this how long before this happened did you last ejaculate and did you urinate in between if yes then its a pretty low chance but she could do a pregnancy test as she is due for her period hope this helps good luck ps do yourself a favour and your gf get some sex education go to www dodsonandross com your find lots of info all about sex there is lots of stuff to read up about just for people like you