First I would lke to say that I think judyg is so right on here, this is about pin pointing a specic problem, and she has done that so well.
Could it be that you are trying really hard to run away from these feelings? When you try to avoid the feelings, and distract yourself because you fear the feelings then the feelings become stronger, because you are fearing them.
Sounds like an oxymoron I know, but the very fact we fear the feelings, is what makes them show up in the first place.
So how about just gently allowing the negative thoughts to come in, and possibly stop fighting them so hard.
At first this may seem unconfortable, but that will not last long, it is just the thoughts rearing up there ugly heads, so you will take notice fear them. And keep in mind that they are only doing this because you have told them they should, (not intentionally of course).
When you allow the negative thoughts to come in, and actually welcome them, they lose there power over you, and they just stop coming, because basically you are telling them there is nothing to fear. Your mind will only believe what you are telling it.
Say for instance there is something you are really really afraid of, and you get around that (something) be it a spider or snake etc..you obsess about the feared object, and it causes you to fear it even more and then it is not about the feared object anymoe, but more about the fear of the fear. That is really what a phobia is all about, just the simple fact of fearing the fear and the way the, (fear makes you feel, not the feared object). The object is not doing anything, it's the thoughts that are creating the fear.
I know this sounds redundant, (well because it is redundant), but it is so important to stop fighting the negative thoughts, and just say "come on in negative thoughts, and I will take care of you, one by one" and really believe it, and then the thoughts wll not have such power over you, because you are inviting them in, and they will slow down, which in turn will give you a chance to start counteracting them, in a more gentle way.
Hope this helps and is not to confusing, (well I don't mean confusing for you,
I mean confusing in the way I wrote it), now I'm confused!
