Seriously only for females?

i am 14 yr old and my gfriend is 18 yr old ,will kssing make my gfriend prgnent ? we mstbate each other by hand ? sometimes i get tired early sometimes take long time ,why it is so? i love my galfriend very much ,but she is saying i have huge pnis ,it is about 6.5 inch (normal), and 9 inch (tight),she is telling me to go for reduction and crsize ,should i go for it ? sometimes when she becomes angry ,she kicks me in my nuts .and twist my nats rudely ,yesterday when she was angry and she kicks me so rudly twice , afetr that i having pain in my that area and unable to irect ,she is saying that i am a boy should be capable of handling such shocks ,should i go to doctor ? for reduction and crcmsize or not?