I've been so mean to my boyfriend/ babys dad I've been in the house everyday since I came home from…

I've been so mean to my boyfriend/ babys dad I've been in the house everyday since I came home from the hospital and I'm with the baby all day and night. I finally go back to school Monday. I've been so annoyed by him like just having him in the same room with me I can't stand. Is it just a phase? I'm hoping it'll go away once I start school again and I can socialize more