Anyone have kids close in age

Or 2 under 2 ? 
I feel as if I have no one to relate to on here or anywhere else. I got pregnant again when my daughter was 3 months old and then 2 of my other friends got pregnant when their babies were around 9 months so i'm the first one experiencing how it's like taking care of pretty much 2 babies. Please don't bash me, because I don't regret getting pregnant so quick and I love both of my kids with all my heart. I have a 1 year old and a 2 week old, it's honestly been so hard because my husband works from 2-11 pm every day except the weekends even when he's here I hardly get any help. If it wasn't for my mom idk what I would do, she lives in the same block as us and she helps me by taking my daughter and watching her at her house for pretty much almost the whole day she even offered to keep my daughter overnight for the first month so I could get at least some rest but I refused. I feel so bad that I'm not able to watch both of my kids. It's harder because my daughter is jealous of my son, she always throws things at him like a toy ball, pillows, and pretty much anything she can find . She also tries to put her hands on his stomach and put her weight on him. This morning she got his bottle and pretty much threw it at his face when he was sleeping and made him cry maybe she doesn't mean to but I feel like she knows damn well what she's doing. She can't walk yet so it's hard when i'm trying to feed my son and my daughter is on the floor throwing everything and grabbing everything she can find she also cries and wants me to hold her when she sees me holding her brother. He sometimes wakes her up in the night with his crying then I have 2 babies to put to sleep it's just so overwhelming for me sometimes. I know in the end when they're bigger it will all be worth it I just feel like a bad mom right now for not being able to watch both of them by myself. How do you moms do it ? Any advice ? I appreciate my mom's help but I want both of my kids with me