Struggling with Quitting Weed and Finding Happiness

So I’m 23f and I have been in a serious relationship now for over a year. Been living together for 6 months with my boyfriend. I’m a weed smoker. Been smoking since I was about 16. I’m on disability for mental health and struggle from time to time. Me and my boyfriend have been talking about marriage for quite some time now. He’s planning on proposing in the next 6 months (I honestly think it will be sooner rather than later). I have always wanted kids so has he. I know it’s a big decision but my mental health has been improving and we are looking into having kids in the next year. With me smoking I have to learn to live without weed. I know weed isn’t addictive chemically but I’m addicted to weed as much as I hate to admit it. I have been trying to stop smoking these last couple days and it’s difficult because all these last 6 years that’s all I did. I woke up and the first thing I did was smoke. I also vape but one thing at a time. I don’t have hobbies, I don’t really have much of a life ethier besides taking care of the house, cooking, cleaning, etc. I genuinely don’t know what to do during the day besides smoke. Nothing makes me happy, nothing really peaks my interest. Any tips of what I should do?