What does a long kiss on the cheek mean?

i have a thing for this guy, and we've hooked up a couple of times. beforehand, we were talking, and then one night...it kinda led to more. I've asked him where his head was at as far as what we are and he couldn't give me a straight answer, and said he doesn't know what we are and just wants to go with the flow and see what happens, and doesn't want to lead me on. he did admit to liking me, and I told him I liked him. he said he doesn't really want to be in a relationship because of his past experience and wants to take it easy, and explained his previous experiences, I listened. at the end of the night, he gave me a looooong kiss on the cheek goodbye/goodnight and I turned my head to kiss his lips, but it was only half as long.

i'm so confused because I have to figure out what I want, and half of the time I know he is truly interested in me (holding me as I sleep, kissing me on the forehead, REALLY listening to what I say and getting along so well, wanting to do other things outside of sex that pertains to our mutual interests), and then the other half of me knows that we are good in bed, and he touches me accordingly that shows he wants me sexually. I don't know what to think. if we like each other, get along well and can hang out without having hooking up (NOT SEX). I want to show him I'm different than those other girls, I'm not crazy and clingy and stuff, but I do like him. I want this to be more than (what I'm guessing) friends with benefits :/

help?
What does a long kiss on the cheek mean?
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