No, the landlord is required by law to paint the apt between tenants at his cost
Yes he can if the walls were marred or damaged while you lived there.
I hate people, phones socializing etc, I am turning 16 soon and need a part time job but every job I have come across is for extroverts and happy people who like people. Are there any jobs that would work for someone like me?
Bomb disposal expert.
Tight rope walker.
There are lots of possibilities. You'll soon find the one that suits you best.