Here's a short and incomplete list of things I don't care about, mostly because I don't care enough to write a complete one:
Eating (what, when or if)
Cleanliness
TV
Books
Movies
People on TV, in movies, or who write books
My car
How fat I am
My clothes
What time it is
My prescription being ready at the Target pharmacy
Wearing shoes
Bills and money
Sleeping
Facial hair on myself or others
Shaving my legs
Eating off of plates
Laundry
Recent music
Spider webs
What people think
Why Dilf just said "Shit!" in his office
Dr. Sardonic
Snakes on a Plane
Squirrels
Drinking water
Where my cat is right now
My hair
Skinny jeans vs. boot cut
Thong underwear
Fiber in my diet
Exercise
Dental checkup
Pap smear
Matching socks
If I forgot something, I don't care.
