HAVE FUN!!! This is a game of skill and therefor can get intense sometimes - but that doesn't have to mean STRESSFUL! Unless you are playing for a living - the point of the hobby is to enjoy, relax and stay fit!
When I notice myself getting attached to the outcome of matches - or wanting to "look good" in front of my peers - I reign it back in - reminding myself to be grateful, light and playful.
Just like in life!!!