Too old to drive ?

I know the decision is mine and mine alone. But, I also believe input from those of you who have personally experienced and gone through similar situations will be of assistance to me. About a year ago, I ‘hung up the keys’ and sold our coach due to my age. I’m 80. I was concerned that my driving skills may have deteriorated over the years and that it might not be safe for me to continue ‘piloting’ the rig down the highway. The reason I’m posting this is because I really miss having our coach and am contemplating diving back into RV’ing. I badly miss having the ability to climb into the motorhome and take off for…wherever. Please, for those of you 80 and older, I would like very much for you to respond and let me know if you are still driving and at what age. Also, if you have ‘hung up the keys’, at what age and was it due to feeling there might be an inability to safely operate the coach at your age. Please feel free to provide any other information that might help me determine whether purchasing a new coach, at my age, is or is not a wise move. Many thanks!