The fit of your jeans won't change, they'll just get shorter. Put them on and mark where you want the shorts to end. If the point you mark is loose around your leg, then the bottom of the shorts will be loose as well.
When the flowers dry out on their own, you should see black seeds in them. You can use those seeds to grow more onions. This will happen once every two...
One drill you could work on with this individual is dribbling. Start by having them dribble while stationary in their chair, then slowly integrate movement by having them roll forward...
Coloring them with a Sharpie pen won't hurt their functionality on the game portal, so they should still work with the games just fine. As for cleaning off Sharpie, try...