… As laughter opens us up and allows us to become vulnerable, we learn to trust and drop our defenses, become willing to make changes. We no longer need to keep score of the good things we do for others. We lose track, and we don't even care. Simulated laughter makes us generous to a fault and we feel better giving then receiving. Laughter is infectiouse. Self - induced, simulated laughter can easily be converted into real laughter when you do it in a group. Humans have a detector in their brain t …