It’s important that your lips are soft rather than rough, but also only damp and not sloppy-wet.
The ideal peck will leave hardly any dampness on his skin.
In many cultures, this is a common form of greeting. In other cultures, it may seem strange to do this, but give it a try anyway.
If it doesn’t feel right, it’s quick enough that you can pull away. Just remember, you may have to talk about it afterwards if it doesn’t feel right.
If you are out to dinner with your friends and your guy says something especially sweet, give him a peck on the cheek to show your appreciation. If you’re at a party and you’re leaving your guy to go talk to some other friends, peck him on the lips and say, “Bye for now. "