When a D&D rule uses the word "can"—as in "you can give high fives to up to three creatures within 5 feet of you"—it means you are able to do the thing. "Can" doesn't mean you must do it. #DnD
— Jeremy Crawford (@JeremyECrawford) November 11, 2020
But if you don’t, I’ll be really sad you left me hanging, bro. 😢 Here's one for you! 🖐️
— Jeremy Crawford (@JeremyECrawford) November 11, 2020