

Not exactly neurotypical behavior, particularly if it’s all the time. Working with the neurodivergent community, difficulty sensing jokes and sarcasm is something I see a lot. Just worked with a child who was pretty distraught with all the April fools jokes going on with their peers and not being able to tell what’s real or not
Not saying you ARE definitely neurodivergent, but difficulty with jokes and sarcasm to the extent you’re describing is not neurotypical behavior. Basically, no, the behavior is not normal, it’s atypical.
Regarding your longer comment, having rigid, unconventional, self-made rules is another behavior I see in a lot of the neurodivergent individuals I work with. Again, not saying you definitely are neurodivergent, but these are not neurotypical behaviors