history: I have a friend that is very helpful. When never I need him, he is here to help. I have a friend that is very helpful. When never I need him_comma_ he is here to help.
current: Awe, that is a very good friend to have. You are very lucky to have a friend like that. Hopefully you are there for him too. :)
next: Yes, I am. It is good to have him.