Quit my job? Help

I want to quit my job been there 5 months. It’s a good job. The people are nice. It’s a bit stressful. I am a bit overwhelmed with work. It’s literally not them. It’s me. Just not a good fit I guess. Anyway my husband makes enough for me to be sahm. But I feel so bad leaving the company. I want to quit asap. Dread going in everyday. I wish I was with my son at home. I don’t even want to give a two weeks notice. I can not make it another two weeks. What can I do!? I think about leaving every second of the day.