Need help not losing my chips when I have a big stack

[unglee]

Like others have said, this is a pretty bad limp. This is a clear raise or fold situation.

Consider if you had reraised preflop, representing a major hand. Would small blind still push with A5 into a raise and reraise? Maybe, but it's a bad decision. If he does, there is no way that the EP raiser stays in with 33 with you left to act, and you take down the pot (in this specific scenario).

Now let's say the SB is smart and folds to the raise and reraise. Will the EP raiser call your reraise with 33? Maybe, but again, probably not, it would be a pretty awful call on his part.

The real reason to raise preflop here is to get the EP raiser to fold, as would be the likely outcome in this specific case. Raising also carries with it the added benefit of giving you more information should he decide to call. Showing a lot of strength preflop makes it easier for you to get away from marginal hands like top pair, weak kicker post flop, because if the EP raiser demonstrates a willingness to go all the way with you after the flop despite the fact that you have represented AA-JJ, AK-AJ, you can more safely put him on a major hand. True, there are times when he has nothing more than a draw, but at least you have more information for which to make your final decision.

The best decision, however, as others have said, would be to fold preflop. You have a nice stack with a lot of time left to play, which gives you two luxuries: you are able to be more selective about the hands you play, and when you play speculative hands, you are able to be more aggressive with them (i.e. always raising instead of calling).