The method of loci has been used as a depression treatment, so maybe a similar technique could be used for other kinds of emotions too.
Do you keep a journal? That might help. Using memory techniques doesn’t mean that you can’t write things down too. I mention it because I got burnt out for a long time and the thing that got me back to my senses was to open up an old journal from 10 years ago and read old thoughts that I had written. Reading those old thoughts had a large effect on my life, and I never would have been able to remember that much detail with memory techniques, even if I had known about them back then.
If you don’t keep paper with you, but have a phone or laptop, Evernote Org Mode is an easy way to keep electronic notes.