Tournament vs Ring Play

$.25/.50 NL HE @ FCP once more for $25. Every pocket pair so far has been outflopped or outdrawn, including Aces. Maybe I play so much tournament poker that I play way too tight when I jump into a cash game. So I loosen up, play my next 2 hands, Q9 and 67s, and win both. A3 right after that, flop bottom pair in position and get aggressive and take down another one. Hmmm... ATs, nobody calls my pre-flop raise. Just like Doyle expressed in Super System. Of course it helps to hold cards that fit too. Bust out AGAIN after an hour and a half when my A9 flops top pair, top kicker but am up against QQ.