I started riding (again) at 68, have had several bikes and still own two. And do all my own wrenching. It's a great way of spending one's retirement years. I'll be 80 in July.
To be truthful, I'm 76 next month and I've had many stops and restarts to my cycling life. The last "restart" was when I was 55 and took part in club runs, time trials as well as commuting to work. This lasted until I was about 73, when during the lockdown years, cycling declined a bit. But I am looking forward to kick starting my cycling again this year and riding a few more TT's.
Cycling will always be a part of my life and can recommend, no matter how young you are.