Kiss him then walk away?

there is this guy Row and we had been friends and all right but then some rumors got around that we had been having sex and all right? well we didn't so after we got all that fixed and stuff we didn't talk for a week but then I though I had to do some thing, I had to let him know that I liked him, so I told him that I liked him and he smiled and we really haven't talked after that and me and some friends where talking and I was thinking "hey why don't I just go up to him and kiss him then walk away" he is single and all. is this a good idea, guys what would you do if i/someone came up to you and did that? what do you think will happen? ask if you want to know more.
Kiss him then walk away?
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