112. A Riddle That Applies to Every Single Person

Riddle 112:

“This three-letter word is something we all do; I apply to progression, regression, to old and to new, mentally and physically. It shows that we grew; what word am I that applies to both cheese and to you?”

Look for additional clues in the background photo, the title, and the tags on this page.

When you’re ready to check your answer, go here.