Like - no. Need - yes.
I require few routines for emotional security (I'd say none but I assume that isn't true) but I need them because of the autism whether I like them or not.
In order to pick up, understand and cope what's going around me, my mind requires things to be as expected. Unexpected events act as if they increase the mental workload of making sense of stimuli tenfold and result in that I am "behind" the events occurring in real-time, unable to think, look, listen (so on) correctly and in-time.
I don't get anxious but confused (from lack of understanding) and helpless (there's no way to act when you can't move, walk, talk, understand...), unable to comprehend and cope with my environment in a normal, non-autistic way.
Edit: Personally, I favour excitement (as that makes me feel alive and great) which is usually connected to unexpected changes as well as expected major changes but being autistic, I need those routines despite that huger, more complicated routines tend to make me feel bored and uncomfortable after some time.
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Autism + ADHD
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The trouble with having an open mind, of course, is that people will insist on coming along and trying to put things in it. Terry Pratchett