We're often stretched so thin amid work, commitments, and our social lives that we don't prioritize doing things for ourselves or recharging when we need to. "FOMO is real, and I'll be the first to say experiencing something you missed over social media sucks, but what's even worse is having a physical or mental sign show you it's time for a break before you take one," says Michalcyzk. "I say make this the year of saying no and not feeling bad about it, be unapologetic when it comes to your needs, and watch as your mental and physical well-being skyrocket," she says.