The first thing to do is to calm down, sit back, relax, and think, and do you like your life? Like what do you do if the person next to you (I mean the second half). Do the conditions in which you live? There is something in this list is not for you. When a person is all right, he had no depression. And all these psychologists, pills sedative - this pushes the depression, and does not eradicate.
If you don't like the job, now there is the Internet and a lot of selection of different activities, no matter how old you are, whether it's 30 or 50. Love to knit - get it on sale; to sew, to paint, same thing. Go for massage, do it at home. You just need to figure out what you like, and a little imagination.
Perhaps you realized that the person next to you - not your spouse, but as to part, if many years together. There is a need to go to any club aside, to dance, to English, which is interesting. There will be new people, new social circle, new friends and will be much easier to say goodbye or to reconsider (after all, everything is relative).
Well, with the terms much easier, save money to increase the square footage or the same footage of the apartment, but with better facilities in a new building, with good neighbors. And yet do rearranging, redecorating and breathing immediately becomes easier.
Here are a few rules that have to help cope with depression.