I think it uses present and future sense verbs
I think it's a pun (basically a joke that is related to a specific word, like its meaning or sound) - because it's wordplay about light vs heavy
Answer:
He believes that teenage brains have the potential to do great things.
Explanation:
Lending a friend a huge amount of money is not really recommended, because they may ask you over and over and over again, causing you to forget how much she owes. She may also spread the word, making you vulnerable to more thefts.
