I'm in a situation where out blended family includes two siblings in mid 20's. They have lived at home and uni / travelling for the last 6-7 years and never really left home apart from the eldest. This is fine as we all get on most of the time but now my P wants to move the eldest son back in for a 'few months' while he saves up money I presume for another flat. I'm against this idea for a number of reasons but have offered to give / loan him all the money he needs. My last experience of living with him was v. stressful and ended up in full confrontation. We have an 8 year old daughter so really need a quite home not a semi shared 'student house'. Am I being unreasonable?