some ihubbers find it hard to chew gum and think at the same time
It's the thinking part that some ihubbers have difficulty with, imo. I speak from experience. I have no trouble chewing gum.
Saving up your money for a rainy day, Giving all your clothes to charity. Last night the wife said, "Oh boy, when you're dead You don't take nothing with you But your soul - think!" (Lennon/McCartney, "The Ballad of John and Yoko")