True, You sound like you are having a lot of adventures! I'm very happy to see you are getting out and about. Well, you had that guy pegged, i.e., affair and free accommodations. I'm glad you set him straight!
Now, about the neighbor, use your db skills on him. He'll come around because I know you mean well and are thinking very logically about the entire weed/garden situation.
True, you really need to write a book about your many adventures. It would enjoyable reading.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.