On set postpartum?

Jennifer • God is great!
My LO will be 2 months next Wednesday and I feel he doesn't like me or know me cause I am always working. My husband doesn't work and he watches him during the day. He sends me pictures of my LO smiling and happy as can be. When I come home he is miserable and I cannot soothe him in anyway. I give him to his dad and he stops crying and starts laughing and having a good time. Am I experiencing some sort of postpartum? I just want to cry because I feel like I am not doing my job as a mother! Also keep in mind my SIL lives with us and I believe she tries to mother my LO. Any advice on how to get my SIL out of my house and how to deal with this situation?