Why man like sucking the breast during the sex?

Yes it is pleasurable, it make us feel good and when we can't control our feelings thats what happens.

Its part of fun and the two must go together. U just av to make it more interesting. Its inborn attitude

It's inevitable and usually enjoyable to both parties. Face it, it's fun and it's never perverse. I've never had sex without it, Even with pros. Do It And pay no attention to any written or spoken psychological crap about its origins. Is there anybody who doesn't enjoy it?.

This is the way they like to come closer.While doing sex u r closer to him,so he does not want to miss this chance.If u r having sex then enjoy it.Aloow him to suck,kiss and love u.

its pleasurable