[furfur]

1. can't get away from it here ur read. He may overvalue something like aj or a10 in addition to all pairs.
2. standard
3. although you will be in the blind next hand, a4 is a little too weak from UTG. You're going to get looked up a large % of time and will be dominated when u do
4. if he didn't look at his cards you have to call since ur getting nearly 2:1 and have a slightly above average hand.