At 95 you're a lot closer to the end of everything than the start, your body is really giving up and it is exceedingly difficult to enjoy anything much.
The speculation is that buffet would likely give up his entire wealth and have his expertise wiped to wind back his biological clock 70 years. Would he? I don't know, ask him maybe.
What can you do with $100m at 95 you would actually enjoy? Again ask him. Or any elderly friend or relative. It is unlike to be a fun conversation, at least in my experience.
At 25 if you have a windfall of only $1000 you've likely got some ideas!