As autistics in a neurotypical world, we are very much like actors. Every interaction is another performance and some require more rehearsal than others.
However, with enough study of the -ologies (psych, socio, etc), you can build a strong baseline "character" that doesn't need as much prep. --->
I can't count the number of conversations I have rehearsed in advance—everything from phone calls to make an appointment, to requests for time off work, to telling family I'm moving, to explaining why I'm late to a social gathering. Many of these are only hypothetical, but still I overthink them.