Not an "oh it's time to take a picture -- let's fake romance!" kiss or an overly dramatic kiss that there is no reason for.
A woodchip kiss is rare (it often occurs only once in a lifetime). But it can often make a lifetime. It can often make life worth living.
He pulled her into his arms and held her close. Gently, his fingers brushed her rosy cheek. His eyes gazed into hers, filled with warmth.
"I love you. I always have and always will" he said, and his lips met hers.