Absence makes the heart grow fonder 
I love them but I need personal space, and they need their personal space, peers and fresh input.
DS (7) needs the chance to be a noisy, energetic 7 year old with other noisy energetic 7 year olds without winding up DS (10) who has ASD and sensory needs.
DS (10) has just thought it was really funny to stick his leg out, send DS (7) flying then moan at him because DS (7) is crying of a carpet burn and pulled on his leg when he fell over 
Home-schooling is relentless, fine management to balance getting some work out of them without triggering meltdowns. I have to sit with them 1:1 to get them to do anything.
It's impossible to burn them out so they sleep at a reasonable time. Our local park is puddles over inches of mud across the field. The next nearest park will now take weeks to drain off several metres of surplus river water.
It's not natural to be trapped together like this
I still love them, but these are not good circumstances!