Everyone will go on tilt at some stage and bad beats are a part of poker, the key is to recognise when you may be going on tilt and limit it's effects.
We have all had the moment when you've lost a chunk of you're chips and thought you're not out you can't stop thinking about how the last hand should have been yours. Poker will send you into a mad rage sometimes. It's natural to get upset when you're opponent gets lucky with poor hands a few times in a row but if you want to avoid more unnecessary losses you have to recognise tilt and deal with it.
The thing to remember is although poker requires skill and knowledge it's also a game of luck. Unfortunately you're opponents will hit that runner-runner and take you're chips, even if you make the right decisions bad beats will happen.
You need to control and limit the effects of tilt not pretent it doesn't exist. Its bad enough when you're opponents beat you- don't beat yourself. Think of the bad beat as a lesson learn't, if you have poker software such as Hold'em Manager you can mark the hand for review to see if you could have played it differently. Take a break from the tables- go for a walk or read a book. Discuss your bad beats in a poker forum to get advice on plays or to see if you're bad beat is the worst seen.
We've all suffered a bad beat at one time or another, who hasn't had there pocket Aces squashed by someone calling you're pre-flop raise, then you're all-in on the flop when you hit you're set with 7-10 offsuit. The disbelief that they made the call turns to dismay when they backdoor flush you.
It makes you wonder who you are playing and would they have made the same call live. Online poker etiquette- does it exist? I recieved the above bad beat last week and my opponent then decided that it was a laugh out loud moment (I disagreed), he then bombared the chat with smiley faces- was he trying to put me on tilt?