Eating an apple while knitting mittens for your grandchildren who need it before it’s too late is complicated.
Riding a bicycle while mixing a non-alcoholic drink for a friend trying to stay dry is complicated.
Telling time while running from bees chasing you after you’ve thrown a heavy log into their home is complicated.
Clapping to polka while dancing to reggae is complicated.
Pouring cereal into a bowl while pumping gas is complicated.
Sealing an envelope is simple.
Cutting paper is simple.
Blowing bubbles is simple.
Tying a knot is simple.
Putting sugar in tea is simple.