السلام عليكم و رحمة الله و بركاته Do I reject a good man for his family, I can’t handle being put into whole different people and constantly be expected of daily. I feel they will do this. I require a separate household away from his parents and sister. Is it wrong for me to expect such? Or a lot?

Ustadh AbdulAziz al-Haqqan
It is not wrong to want a separate home, and it is your right to ask for it. So, make it a condition in the marriage contract, and if he accepts it he must fulfil it.