13 is normal for kissing. (lol.) but I mean there always will be talk of sex and all that other junk. But you shouldn't have to worry about it because I'm 13 and were not that stuid nowadays. Because most of it just sounds repulsive to me. But if your that worried and you tell your daughter no sex or something she might be rebellious and have the urge to. Its just a habit to disagree and be wild. I mean I'm not trying to say anything, but if you don't worry about it she should grow respect for you and she won't do anything. Kissing is REALLY nothing to worry about.
Sorry if I repulsed you in any way.