I have a 5 year old dd and she has suddenly developed separation anxiety for me. She cries in the line at school cries when i go to work when im not in eye shot. This has all started when they went back to school after xmas. She was really not well before xmas then fine then got a ear infection on antibiotics that then a uti so on a different antibiotics they didnt help then got another ear infection and uti so was on another for that. Had a break for a week then got covid. But her separation anxiety has just got bad she thinks something is going to happen to me and im not coming back. She is even taken herself off to bed to cry. I want to help but i don't know how to..