Oh yes. I 100% notice a difference when I wear them, mainly when my eyes are already feeling tired/dry. If they're good to go then it won't make much of a difference.
Saved my life a few times when I had to pull late hours for work.
They probably meant farming on a backyard gardening level, I know plenty of people who got into it in middle age, particularly Mormons who try to be relatively self-sufficient. Not sure about the backyard size needed to actually support yourself though.
If you mean a different piece in each hand simultaneously, then yes, I'd consider it multitasking. Until the pianist practiced doing that enough to think of it as a single piece in their head, that is.
The robotics/iot stuff is a pretty heavy interest for me. Where did you start, being self-taught, to get into the field? Or was working at a tech co enough already
There are apps that will count your streak. Some paid, some free. I've seen that help lots of people get consistent with it.
My own is to pick an easy time and duration to meditate for, such as every night before you get into bed for 5 minutes. I think for folks on the lazier side (like me) the habit for something like meditation should start with as much convenience as possible. That's how I started flossing every night (and started having good visits to the dentist for once).
Saved my life a few times when I had to pull late hours for work.