Gee, it's great to hear from you Sue! Really worried about the bashing you took dumping your new scooter. Like above, the scooter can be replaced. You, on the other hand, are unique.
Please take your time getting back together. The bones heal slowly at our age, but the mind has to get back to normal at an even more unpredictable pace after a concussion.
A friend of mine was "Rear-Ended" in his Hyundai cage and thought his physical pain was the biggest part of his recovery. Those of us around him kept mentioning his reduced mental abilities that were apparent to us and took much longer to return to normal. He wasn't "way out", but from our viewpoint, just wasn't hitting on all cylinders.
Listen to Derek, and move cautiously through your stages of recovery. Tomorrow is still out there to enjoy when you're ready for it. Don't rush it.
Very best,
NSF Ed