me & my boyfriend were dry humping yesterday, i had cotton underwear & shorts, he had on just basketball shorts. after it was over i drove home, and changed and realized a wet spot, i did cum and so did he, but is the spot from him. idk if im pregnant and im so scared. i should get my period in the next 4 to five days. but i really want to take plan b but after reading a few articles idk if im pregnant or not. please help. thank you so much for your time!