Separate names with a comma.
That's not how you start a conversation, but ok-
I am rather fine, how about ya?
That's uhh... unfortunate, but I hope ya get well.
Have ya made a thread or participated in one before?
Well if you were to make a thread, look around the threads to get a good general idea of how to "post new thread". You're free to roam in other places besides other people's profile after all.
I'll see ya around, I suppose unless you have more to talk about.