Heptagons have seven sides (you won’t learn it in schools boy~)

 

There are 7 days in a week

 

Roy Sullivan was hit by lightning 7 times and survived all!!!

 

The big dipper is linked out of 7 stars

 

A Tangram is a puzzle with seven pieces, and there are thousands of different tangram challenges.

 

There are 7 deadly sins:

English (Latin)

Lust (Luxuria)

Gluttony (Gula)

Greed (Avaritia)

Sloth (Acedia)

Wrath (Ira)

Envy (Invidia)

Pride (Superbia)