How did you stop smoking 🍃?

Hi I need some help. So I've been smoking since 2021 and have been off for 6 months once and 3 months. But know that I found out it effects my bipolar I know I need to get off. But I'm struggling to do it so much. I use it for my back pain because my muscle relaxers stopped working. I smoke every day and alot. I don't know how to stop 😔