(((Happycheeks))) Can you note any triggers? I'm bipolar, so I can be on the old roller coaster during one day. But I note sometimes that I get on negative thoughts and can sometimes nip that in the bud--or at least start thinking about other things, as somebody else suggested, like music, exercise, etc. Even watching certain TV shows can get me down--so I seek out humor and more light topics.

And, of course, low self-esteem doesn't help! After all, you take yourself wherever you go! You seem like a nice person to me!