M0ira you're more than a doodler!
As other's have said join a small art group, or classes, you'll enjoy it.
Or why not retake your O-Level?
I took A-Level Art when I was in my 40s (I wasn't allowed to take O or A at school, long story), I was the oldest in the class and got the highest marks throughout the course. I only did it to prove to myself that I could.
Strangely enough I very rarely draw or paint now, sewing has taken over, but I always carry a small sketch book and pencils with me. I have loads of little books of quick sketches that I intended to use at some point. Someday perhaps.....
Govt announces Ukrainian style scheme to bring thousands more migrants to UK



The only people critiquing you, will be the ones who aren't thriving or using their own creativity- and they need pity.