I think you are putting too much value on your work and you maybe be trying to substitute work with worth. I mean work is just a small facet of life.. when you

I think you are putting too much value on your work and you maybe be trying to substitute work with worth. I mean work is just a small facet of life.. when you put too much emphasis on it and start spending disproportionate amount of time on it while ignoring things that actually make you happy like playing with your kids, spending time with SO, watching tv / sports, etc you may start equating life with your work performance which can make you feel this way.