When you think about it, there is really no point to being restrained.
Like, at all. Ever. Why damn yourself with a cluster of self-imposed inhibitions? Why not just let it all hang out? You could probably scour your mind for a hoard of excuses disguised as answers to those two questions. But they will always be excuses and nothing more.
If you look closely, there are 12 people visible in this photo. Out of those 12, one is truly letting it all hang out. And guess which one is the happiest — our money is on it definitely not being the guy missing that wave.