1) No reason not to go bowling. I never went into a pool hall, so I have no clue whether or not this is appropriate.
2) No reason not to compliment someone.
3) Guy should absolutley be a gentleman and walk the girl out of the car.
4) After one or two dates, I think it is acceptable.
5) The only situations where it would be acceptable, would be if the girl were honestly not feeling well or if the guy were not acting appropriately.