Hi doctor please i have two major problems that i needed help from you how i can solve it, [1] on the time of sex i release sperm within 2 seconds, and not even up to one minute, and st makes me to get ashamed of staying with girls because of this problem, [2] after first time sex and i release in 2 seconds, then if i want to sex for second round, my penis if it goes up, then it will not be strong anymore, and if i try to make is strong and put it in the pussy for sex, then it will fall down instantly and become very weak. please what should i do or what type of medicine should i take to make me strong again? i m 29 years old man, please help me.