if you see two guys walking together in a heavily crowded are who are not gay, tell them you will give them a hundred Pound/Dollars to kiss, when they go to do it, tell them to hold the kiss for 10 seconds and you will give them 200 pounds/dollars, tell them to close there eyes so it lessons the embarresment, when they are kissing, its simple,.........run
Credit to Pity for Awsome Sig