Stop + infinitive vs. Stop + ing
infinitive: to + verb; the verb is not conjugated
penny: one cent in U.S. currency.
STOP + ing: WHAT you stop doing
It can be something that you stop doing permanently or temporarily.
to pick your nose: to stick your finger in your nose to remove mucus; the mucus in your nose is sometimes called “boogers”, especially by children
to lie through one’s teeth: to tell a lie without feeling embarrassed or bad about it
STOP + infinitive: WHY you stop
You can use both "stop + ing" and "stop + infinitive" in the same sentence.
I stopped reading my book to answer my phone.
I stopped working to get a snack.
I stopped cooking to go for a walk with the tiger.
An easy way to remember the difference between stop + ing and stop + infinitve is to remember:
stop + to + verb (infinitive) is similar to:
stop + in order to + verb
in order to: with the purpose of doing something
I stopped walking to stare at the trees. = I stopped walking in order to stare at the trees.
Sam stopped walking (in order) to smell the flowers.
The tiger stopped walking (in order) to scratch his nose.