I like children, although find a whole one difficult to eat in one go.
When cleaning houses that have small children, I tend to seriously brief each child on 'not to touch the ruddy windows', because if you do, I'll be really cross.
Honest!
Just recently a young girl pointed out that I was cleaning 'her' bedroom window. I looked through the glass and the bedroom was a mess.
I asked her what her name was.
'Kelly', she replied.
'Come here, Kelly', I asked.
She walked up to my ladder.
'Kelly, get up to your bedroom and get it tidied, NOW', I ordered her.
Her head and shoulders immediately slumped. The smile disapeared from her face and she went upstairs to tidy her bedroom via the back door.
Her Mother laughed too!
It's just a matter of good communication. Train the kids!