The first two are related.
Even with very little wind after hitting full power to inflate the wing I'd sometimes go backward a little bit before going forwards. I presume this will be even more pronounced when it is windy.
The mythbusters showed something similar in their confirmed "blowing your own sail" myth where they prove you could blow (swamp boat) into a sail and move in the opposite direction to what would happen without the sail.
It was a surprise to sit there with the engine at max and not go anywhere.
I don't remember having a bad memory.
I'm surprised by how much I don't remember when launching the quad. It isn't like it is a blank but I can't remember a lot of the detail.
Sometimes I remember the events out of order.
I think this is normal as our short term memory fills up before the information can be stored to the minds hard-drive.
It is not something you notice until to look for the details.
I try to have every training launch videoed and I review them in great detail.
I find it very useful.
Even the brim on a slim helmet makes it worse.
To add to the difficulty looking up can cause the helmet or sunglasses to slip.
Seeing both hands are busy there is no way to fix the situation.
Adding a mirror made a big difference - puritans don't like them but they work.