Don't engage in gambling when you are depressed, if you are looking for a distraction try to do something productive instead.
Something productive like what? Don't you know that during depression most people tend to find an escape in gambling or in alcohol? This happens often. That's why it's not too good to avoid anyone suffering depression. We should be getting close to them once we identify what they're going through. That state where the mind is distabilized isn't one anyone wants to experience.This is the 6° rule of my list 
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6° NEVER play (to win) if you are: Tired, stressed, bored, angry etc etc..... There is a strong effect come from the morale of better....
That's the right thing to do ideally, to steer off, but is that realistic? I asked because most people find it appealing to gamble when they're stressed, bored or angry.