Hugs and kisses are such nifty things. Who invented them? And you know, you never run out of them. It's like there's an unlimited supply of them. People somehow seem to have the right build for them, like arms and lips.
Well, no. But, hugs and kisses don't cost anything in the usual sense. So that makes up for it. I suppose you could use hugs and kisses to help pay the bills. Benny Hill always had that one line in all his songs about his wife: "Why were you messing with the butcher when we owe the milkman so much?"