Hi I‘m 55. You are on the right path. The day you‘re not embarrassed by what you did yesterday is the day you stopped progressing! And don’t be terrified: A lot of „old“ (what that means changes) people are not wiser than you - they‘re still terrible incompetent, because they focused on „being happy“ instead in “getting wiser“. You did the right thing, and if you keep doing it, this feeling that you were stupid yesterday will stay - and this is fabulous!