Most Helpful Guy
That's WAY too early. It *may* last, but chances are slim. But you should move on, though.
Most Helpful Girl
Most likely no. A full, healthy, fun get-to-know you process can't transpire in just one itty, bitty week. Not only that, but if he has 'grass is greener on the other side syndrome' then he's not a trustworthy mate who has the self-discipline to be loyal for too long anyway.
You should move on because he's an ass with wishy washy, unclear behavior and looks like he will waste your time.