Verbal Rental Agreement Problem I had a verbal agreement (no lease) for a man…

Verbal Rental Agreement Problem
I had a verbal agreement (no lease) for a man to rent a room in my house for 2 months. He gave me a check for the two months rent, and wrote ”2 months rent” in the memo area of the check(lower left). This occurred 2 weeks before he moved in. A week later he called and told me he would only be there a month. Nothing was in writing. After the month he expected half of his money back. I did not agree and now he choses to sue me in small claims court. Whose side is the law on?

Co signor liability I co-signed for my EX mother in law (with my ex-husband) 8…

Co signor liability
I co-signed for my EX mother in law (with my ex-husband) 8 years ago for an apt. She has been evicted and the owner is threatening to sue only me for the rents past due. I have since divorced her son, and now have no relation to her.

However, the rent has apparently been increased over the years, but I was never notified. I was also not notified of any rent past due. I was only notified that she was being locked out in 5 days.

Question #1: Since the rent has increased and I have never been notified of the increases, (since I am the co-signor), am I liable for any rent increases above the original rental agreement? Doesnt this constitute a new contract that I must agree to when the rent has increased? So, isnt the contract now void because there was a change in the original rent amount?

Question #2: Since I divorced my husband, does that release me of any liability on the rental agreement, since she is now my EX mother in law?