i m 29 yr old,i have a doubt 1) while normal conditions the penis glans/head could be out or not 2) and after erect glans is necessary to come out. 3) while sex it is necessary to come out and i have a problem my glans not come out in normal condition and erect condition,i tried pull out my glans by squeezing my penis day by day,after some days(1 week) it is came out(at the age of 29),now my glans is pain so i again push the glans inside .i m virgin and i m addict to masturbate(weekly 3 times)