history: My dad knew I was having some financial difficulties and decided to pay off my car loan!  I am so appreciative to him! My dad knew I was having some financial difficulties and decided to pay off my car loan! I am so appreciative to him!
current: Wow, that was super nice of him. You are lucky to have such a great dad.
next: I really am!  I will do whatever I can to repay the kindness!