Girl's Behavior

Girls, Daughter kissing her Father on the lips?

Girls, Daughter kissing her Father on the lips?
Ok, so last night i was out drinking on a work do, and i saw something which disturbed me, mostly because i don't know whether or not it was acceptbale or not.

Ok, so me and all my work mates met up at a pub for a few drinks, as a commemoration for a work mate that recently died. After a few hours my boss and a few others thought of heading off into town to a bar/club.
Now when we got there, my boss met up with his daughter (she was about 20ish give or take), and her friend who bascially stayed quite the whole night, despite my attempt to get her to open up a bit.

Now i wasn't really listening all that much, mostly because of the loudness of the music, but also because i was getting bored myself, i did pick up on one thing they said. She said at one point (years ago) because of something that happened, she new her mother was having an affair on him (her father), and she told him... that coupled that they clearly had a close relationship... like a right "daddies little princess". And he was clearly very protective of her, in a melo calm way. When he introducted me to her, the first thing he said was "just so you know, she is my daughter". And i gave a slient smile, that clearly said; "ok, i won't hit on her".

Now this was all well and good, but it was at the end of the night that got me and made me rethink all this. At the end of the night he was ready to go home, but she wanted to stay out, so they parted ways.
And they parte ways by kissing... twice. On the lips, and it might not of been a long one, but i wouldn't of called them quick ones either... like second and a half long kisses. Once more, she initiated them; puckering her lips as to invite him to move over and kiss her.

Now, ladies... can youplease tell me whether this shit is normal?
Is this normal for a strong father daughter relationship, or does this indercate an incestous relationship, or at very least the desire for one here?
Girls, Daughter kissing her Father on the lips?
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