Short answer: No
Long answer: Yes, but you gotta remember that most mental illnesses are chronic. You will have to deal with these feelings for the rest of your life, especially if you have a severe case.
Consistent therapy with a good provider, good diet, a regular exercise regimen, a strong and stable support system, and sometimes medication can bring you to a point where your life is no longer held back by your issues. But you can't expect perfection. Even normal people feel depressed, anxious, crazy, etc. It's just that they can feel the feelings with minimal interference on their quality of life. Then they move on and keep living.
There's also the barriers to entry, like bad therapists, expensive meds, living in a shitty town... but it's still not impossible.