My wife has no problem with it although we do not normally kiss in public. That's a matter of mechanics, though--with 13" of height difference we don't normally kiss while standing, period. I'll give her a peck on the top of her head, though.

When we first started going to China our conduct was *VERY* unusual. Now, however, if we are out in the evenings we often see dating couples going farther than we do.