So today I sat on his back for a few minutes(say, 6 min or so. I did not know how stupid that was). Now after reading about damaging his back I am really worried and feel really stupid.
I am pretty new to horses so please don't bite off my head.
The people I got him from said I could sort of sit on him a bit but not ride him hard he did walk around slowly though.
PS. I was sitting on him bare back with no bridle. He did seem normal after wards and he did not look like he was in pain.