Answer:
We are proud of ourselves for doing well on the test.
My aunt usually works by herself on Fridays.
I'll have to paint my room by myself if you don't help me.
Do you ever talk to yourself when you are all alone.
My cousins challenged themselves to make dinner for our family.
Explanation: All of these rely on point of view. Keywords: My Aunt = herself
We = ourselves, I'll = myself, You = yourself, My cousins = themselves.