At certain historic moments, grandparents took on childrearing responsibilities. In many cultures, they still do. Chinese grandparents who are able to retire at 55 are seen all over Beijing bouncing grandbabies. In the United States, we can't afford to retire at 55.
It is really hard to do comedy; it takes a lot of energy and focus. It's rather like music: It's a lot of hitting notes precisely.
Carving out an identity for yourself is important so I'm trying to do that as well.