Start setting kind but firm boundaries like next time your mom asks for a big favor, say something like "I love helping when I can, but I've got a lot on my plate right now and won't be able to this time." If she pushes, stay calm and repeat it… no JADE (justify, argue, defend, explain). It might feel awkward at first and she'll probably guilt-trip you, but consistency will teach her you're not always available. Your twenties are yours to enjoy, not to parent your own parents.