Hi Doctor, Q-1 :- Actually Sir I Have Suffered From

Hi Doctor,
Q-1 :- Actually sir I have suffered from night fall before 4 days, then am worry about this problem, then i am search on the net to resolve this problem, then I found that lots of doctors suggest to do " KEGEL EXERCISE " daily. Then am doing this exercise daily (3 sets of 10 repetitions a day). So if you know other ways to resolve this problem please tell me.
Q-2 :- Sir, my dick size is very small (5Inch) and it is very thin. So, sir I want it to be a long and thicker dick. At least 6 INCH . So sir please help me.
Q-3:- Sir, I want to more longer in bed at least 40minutes to 50minutes. But when am starting masturbating , it is just come out within maximum 30seconds to 40seconds. So I am very worry about this problem. " How it's possible? " . So, Please sir I request you to help me to resolve this problem.