I used to previously feel like I couldn't say no to people and went along with a lot of things I didn't like but felt like I had to eg a birthday party for someone I wasn't even very close to and when I didn't feel so well on top.

The book "the subtle art of not giving a f**k". Helped me take back control and it does get easier.

Chihirochild would it be easier to text her something like "sorry I've changed my plans" and just go anyway but not tell her?