Hello. My baby is 9 months old and has always been held since birth. I…

Hello. My baby is 9 months old and has always been held since birth. I've always lifted him. A month ago he started crawling, I thought "yay, now I can do my housework freely." Now if I step away for a couple of meters, he starts crying. I need to sit right next to him and play. He sleeps for 15-30 minutes. I have to do everything at night and not get enough sleep. I'm so tired that I want to go back to work, mainly because I don't want to stay with the child sometimes such anger towards the child. Of course, he's not to blame, but I look at other children who are playing by themselves and also