7.Choose two different items next to you, or even people.
(not a pencil and a pen, but, for example, a pencil and a table), find 7 common features between them, determine which features are superficial and which are integral. Superficial ones are color, material, origin, integral – are functions, purpose, abilities, capabilities, methods of operating.
Do this with 7 pairs.

Do this trick once a week, and you will restore the skill of comparison lacked in childhood and take the first step into the science of life – dialectics, which will teach you to make better decisions, make fewer mistakes, see controversial situations deeper and more clearly.