Well, not really.
Seriousness is a waste of energy and is derived from the mind and its attempts to protect its self-image, the ego. We have to be seen to fit in and be ‘grown-up’, we can not allow ourselves to be exposed, vulnerable or seen as foolish by others.
Laugh, let go, accept, be at peace, see the funny side of things and be able to see the good in everything. It is part of living in the moment and enjoying life, which is a choice we can all make.