??? should i or shouldnt i??

im 15 yrs of age any many people might think thats young to lose there virginity but more and more teenagers are.my problem is i go out with an older we havent had but have done some other things btw my bf is 16 i really like and i want to lose my v to him but he has done everything ual and although he hasnt caught anything i worried i might not be good enough for him also he is abit mad and im worried he mite cheat on me if i dont shag him.