What's with all the wimpy raising? What are you trying to acheive?

If you're going to slowplay this then call the flop and raise the turn, but you've got to put in a decent raise. Certainly on the turn as he obviously likes what he's got enough to lead into you.

It's a line that leads that gets it all-in on the river, but the raises are weak so either your raises are normally too low or you're giving away information here.