During loses, I do myself great good to move away from my device and step out, even if it entails hanging out with friends and grabbling a bottle of beer. Change of environment really helps to ease off pressure and calm your head for the next activity.
This is still unknown for most gamblers. They think that the key to relieve that stress is to gamble continuously and chase their losses.
Taking a break and going like what you have said really helps a lot. Whatever drink you can grab that you can sip on and have some moments for yourself.
If this is done, you'll have to think of what you have to do next. If you're up to get out and hang out with friends, better.