@scared58 First, welcome to Mayo Clinic Connect. Here, you will find many others who feel the same way you do. Anxious, scared of the future and what their new diagnosis might mean to them. It's way too easy to go down the Dr. Google rabbit hole.

Frankly, our minds can play tricks on us, and let us believe our bodies are taking on so many symptoms. Remember, we are aging as we go, and our activity levels change. As do our interest levels. Add in a new-to-us medical issue and off we go! Just the anxiety alone can make us feel like we cannot cope, cannot get through a day "like we used to".

Trust in your medical team, which includes you. Continue to do those things that bring you pleasure. Take time for yourself, and do not dwell on possible future concerns. MGUS rarely advances to SMM, and most people live for a very long time knowing they have this condition.
Ginger