Hiiii Everyone i want to share one problem which i noticed recently need your thoughts on it, While i was having sex with my girl friend i began to loose erection but than she oral sex on me and i ejaculated, it was bit surprising dont know why it happend, but after few minutes we again started and i had erection and i had good sex.. am not able to understand why i loose erection on my first act.. is it because i did long foreplay before having sex and i also stoped inserting in middle when i thought some one was knocking the door so went there and came back till then i lost that erection, i was scared why it was happening may be because i was smoking too much, or something else but also since 2 months am feeling am not having that strong erection that i used to have before 2 months is it because i started smoking too much in this 2 months...