I am a 14 years old and i used to go down on a girl every day in the summer usally a differnt one (not proud of). now school is in the way (thank god) and i dont do it anymore as often. only on weekends. i had sex numerous of times (which im not proud of agian). how do i tell them i dont wanna do it anymore? just say no? im not really good at these things. any advice?