press (one's) luck
To risk losing the good favor or fortune one has garnered thus far by brashly or overconfidently seeking more. I know you're in the boss's good graces now, but don't press your luck: she's been known to turn on people for getting too cocky. I've had some good winnings at blackjack, but I don't think I should press my luck any further.
press the panic button
To overreact to a negative situation with an inordinate amount of fear, alarm, or confusion. If you're going to be a successful boss, you can't press the panic button every time your company has a minor setback. New parents tend to press the panic button over every little sniffle their first baby gets.
press (someone's) buttons
1. To do things that create a very strong emotional reaction in someone, especially anger, irritation, or exasperation. I hate Dave's new boyfriend—he's always trying to press my buttons, and he's doing a good job of it! No one will be able to press your buttons like your children, but it's all a part of the adventure of parenthood.
2. To be sexually attractive or arousing to someone. Did you see that waitress over at the other table? Man, she presses my buttons.