NEVER put a kiss scene off, putting it behind you will defy the awkwardness for the actual shooting.
Personally, I've never done a scene kiss because I'm too young, but I happen to know how to avoid kissing someone in a situation where you really don't want to.
If the camera is at an angle, just get really close, both turn your head opposite ways, and touch side cheeks. If the angle is right from the side, this won't work.
If the angle's from the back, suck you lips in as if you were putting on lip balm, and the kiss won't be so bad.
If you really need to kiss the person, just do it, don't be a wimp and make a scene, it won't be so bad when you're winning an Oscar in 20 years.
