That depends on many things. By far the quantity that has the greatest
influence on the falling time is the height of the building.
1 minute and 43 seconds
As long as your mom took to fall for me.
Not too long.
it just won't take long
depends
Not very long. Some people can fall in love at the age of 4 years old.
It takes them about 20 minutes to fall asleep. I CAN'T WAIT THAT LONG!!
about 2 minutes
5 months
never
The Empire building didn't fall down.
It should not take more than a month for you to fall pregnant if both partners are okay.