Message+in+a+Bottle+-+Questions

What did Theresa expect to happen when she went to meet Garrett?

Would anything have ever happened if Deanna hadn’t set up Theresa’s trip to Garrett’s town?

What role was Kevin supposed to play in the book?

Why didn’t Garrett just wait to take the bottle to Catherine out when the weather wasn’t so bad?

How did Garrett die in the ocean when he’s a dive instructor and a very strong swimmer?