I always kiss my son on the mouth, now that he's older we dont, well only sometimes. But its not a big deal.
My one BIL always kisses EVERYONE on the mouth, its distrubing. LOL
like I turn the cheek and he seeks the lips and i've seen him do it to everyone.including his daughters.
I kiss my husband, kids, siblings,extended family and some friends on the lips its no big deal.
yes we kiss on the mouth.
It only really bothers me if the parent(s) get coldsores...
We kiss on the mouth...no biggie here.