Anxiety Support Group
Anxiety is a physical condition marked by intense and persistent feelings of distress, fear, angst or dread. General anxiety caused by routine day-to-day stresses usually passes quickly and is experienced by almost everyone at one time or another. However, such feelings that linger over time and are very difficult to cope with, and which lack a clear cause, may indicate...

I'm still studying and practicing. It is MUCH easier said than done. Each of those three simple words seems to have its own library and word spewing cadre of experts attached.
Practice, practice, practice. . .
I prefer to be kind, so I practice it by saying something nice to myself every morning and every evening, and I do something kind at least once a day. Those actions helped me reduce my anger anxiety level down to a much better level and by using the be kind method, I was able to make better choices for my well-being 'in the moment'.
That lonely feeling, I go outside and look at nature to readjust that.
Best wishes! You are not alone. I agree, practice, practice, practice!