I learned on a Bug. Another friend of mine let me drive his Dodge Omni frequently.
I remember stalling repeatedly at a green light and getting frustrated. There was a couple behind me and I could see them in the mirror with large knowing smiles. The driver gave me a thumbs up, knowing what I was learning.
Fast forward 35 years. My son was learning in my car and stalled repeatedly at a green light. The people behind just honked their horn not knowing that a 16 year old kid knew a useful skill they didn’t.
As far as 3 on a tree, I only had one opportunity to drive one on an old pickup truck in high school.
Most of my cars have been manuals and I really want another one.
Try finding a manual shift truck for sale... nearly impossible