Answer:
A squiggly line tells you when you've done it wrong
What sphinxes employ and players enjoy.
What you become during a workout?
When someone uses this acronym, you know you've got to pick up the pace
Lots of them make up a word, And lots of words are in them. It's easy when you think about it. A while ago we stamped and mailed them.
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?