Learning to set boundaries doesn't make you selfish; it makes you self-aware. Your time, mental peace, and energy aren't limitelss. When you try to do everything and please everyone, the first battery to run out is your own.
3 reminders for when it's hard to say "no":
A timely "no" prevents resentment tomorrow: It’s better to be honest upfront than to commit half-heartedly and end up drained.
You don't owe endless explanations: A simple "I’d love to, but I can’t make it this time" is a complete and respectful answer.
Taking care of yourself is non-negotiable: Protecting your rest and personal space is key to being showing up fully for others.
In the end, learning to say "no" is simply learning to say "yes" to yourself and your well-being.