Sorry to hear you're feeling so irritated by things.

I had some lovely advice from a fellow ms'er. Make like a cat.

Both he and I had taken in strays (him) and holiday home orphans (me). and his best philosophy was to live like a cat. Why worry, there'll be food, warmth, love from their person, a bed to snuggle on, the odd passing mouse and no worries beyond what is happening right now for the instant that they are awake. You get the idea... He wrote me a lovely piece - I'll try dig it up.
I love the whole cat philosophy. It's how I like to spend my time.
and that's coming from a girl who 'hates cats' ! yeah, right.