Who knows. Go by your gutt..if u feel a strong sense that somethings not right, it probably isn't.
If he continues to talk to you after he's done with said business and he asks you questions about yourself without you bringing it up.
Most likely actually busy, lol.. The main reason why I can't respond to people I talk to
He won't come back from being busy.
You might be his "back burner" just in case the other one doesn't work out.
I'll answer in a minute, I'm busy at the mo ;)