This feeling stems from the association between winning pots and winning money. Of course, the only for you to collect your money is by raking in a pot; however, this is not the way to earn money. You earn money in this game by being called by worse hands with unfavourable odds to draw. Games with frequent "suckouts" (this is actually a fictional term created by players who feel that they should win every pot they enter) are simply higher variance games. As long as you stick to your game, the pots you take down when you do win will be massive. It's long term earnings with which you should be concerned, not each hand that you play.

EDIT: 99% is not the same as 100%. If you are a 99% favourite, you still should not expect to win. If you are a 100% favourite and manage to lose, then I'd be concerned. And I'd switch cardrooms.