What Causes Semen Leakage And Premature Ejaculation?

hi, i am 24 years old male. having problem of semen leaking. it takes just 5 to 10 moves to ejaculate. i have quick erections problem. when i look at a girl even as a friend it gets erected and sperm starts leaking. sometimes without erections. help me overcome. height :176cm weight:123lbs. my glans are sensitive and i cant touch it roughly. It hurts