Nothing you can do if youre going through a losing streak. If its too bad then take some time out from gambling, try & find other things you enjoy.
It's the best way to handle frustrations. You don't let that frustration triggers you to become upset for the whole day which can lead you to losing streak.
There's even more good things to do than to stay and have this bad day. Stopping has been an ideal solution for a frustrated gambler.