I guess in some people's minds, sex is for the creation of life. I guess if you are just doing it then it has no real significance .
I guess sex is really important when you are old because it's all you have besides tv where you can change the channels.
sex is important cuz without it there would be no you or me. people would be very very sexually frustrated without it. sex feels really good, and it is one of the only ways ( i think) that you can show your spouse just how much you love them and trust them.