Here's a thing about the death of your mother or anyone else you love: You can't anticipate how you'll feel afterward. People will tell you a few may be close to right none exactly right.
A lot of times I would go into a room and audition for whatever sitcom it was and they would expect me to do sort of what my dad was doing and I am not him so they would be disappointed and I would feel nervous and not know exactly how to do it.