Don't let them sit la. Becoz you'll find your maid become 大爺!
I let my bun bun sit soft when taking care of baby. But very soon I found that when I go into my house after work, she's still sitting there with one of her leg up, sit like my boSS and only say "hi, mum". Wow, I realize I have to ask her stand up. Now I donate my daughter's chair for her to sit. That her皇位!
My maid sits on the sofa when she feeds my baby, folds the clothes. If she plays with my children or takes a rest, she will sit on the floor or stool. But sometimes when my children are sleeping at night and she is waiting for the bath room, she will read her books on the sofa, I let her do it.