(((Phoenix7))))
Door knocks: Maybe you just let your mind get sucked into something else for a while & dropped your guard...like yacking with all your wonderful friends at PC....

.
Choices: Maybe start with small choices like what you want for breakfast or what time to eat dinner then gradually increase to more difficult choices....maybe play games that require you to choose multiple choice...here I'll give you one.
hmmm....how about...
which one of these is your favorite smilie
A

B

C
Fixing: Somebody give me a wrench I like to fix things...(we need a "tinkering" smilie).
I still jump when my 96 year old grandmother goes to give me a hug

I don't know why...I'm 33 years old & a foot taller than her but I flinch everytime

...& she notices

LK