How can I stop getting very depressed when something bad happens?

One can stop getting depressed by talking to someone about what happened. Sometimes crying in front of someone also helps.

all you need to do is keep being positive, bad things happen to everyone , but only those who know how to deal with it, get over those bad things ;)

It is important to try to see the good points in bad situations or to try to make the bad points seem comparatively okay to another worse possible outcome. E.g-I dropped my slice of pizza, at least there is the rest of the box. Or I fell out with all my friends, at least I am comfortable with myself and I have a supportive family.

Tell yourself that you are already depressed if when bad things happen you get even more depressed. So in order to get out of your depression, you've gotta think to yourself and accept that you're making an effort to try and feel better (if you indeed are of course), but most importantly, start meditating and start imagining a situation that would normally make you very angry, and try and imagine yourself react not so badly to it. The more time you spend meditating and anticipating things that will happen around you that are good or bad, the more you'll feel prepared and won't feel as depressed if anything does happen, because they always do, it's just a matter of staying prepared, staying strong.

By knowing that its absolutely normal.Everyone faces difficulties.You are not the only one.With every difficulty there is an ease.You are not responsible for everything bad that happens.

Firstly, you can begin with accepting the pain and not fighting against it. Maybe it is counterintuitive, but sometimes accepting that is normal to suffer when something bad happened it would lead to a faster process of healing. Secondly, you can focus on the little positive things in your life (e.g a sunny day, or a nice cup of coffee or even something for your sweet tooth). And lastly, very important factors are interpersonal relationships. You can seek out for help with a wide variety of people (from family and friends to listeners form 7cups). The pain is normal, but eventually, everything will pass! :)