I understand, in part, what you are going through. My brother-in-law suffered many of the same things you mention. Over the last 2 years he and I became a lot closer, than the 13 years previous. It was tough on all of us to see him go through so much pain, yet still find a way to smile and laugh with us. We lost him in March. He was a big guy, like you. I looked back on the last few years and discovered his "trail of kindness" he left behind, so subtle. Yet, even when we weren't noticing, he was somehow bringing us all closer together, little by little.
The fact that you are brave enough to share your afflictions and express sorrow with sincerity has increased my respect for you. I appreciate that type of candor. I admit, I am imperfect in so many ways, but I strive to be kind and straightforward. Unfortunately, our best intentions don't always get projected in that way. People see, read, guess many things, sometimes the opposite of what we truly mean. I try my darnedest to avoid do those things, myself. The older I get, the more I tend to reflect on things. Which is good.
So thank you, Gms9810, for sharing a little bit about yourself.
My real nickname is Mahvin, btw. Being from Eastern Massachusetts, we drive our cahs to the bahgame.

The name just stuck.
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"In order to attain the impossible, one must attempt the absurd."
~ Miguel de Cervantes