4. Adding that clothing for the girls will be great! Going shopping for clothes with them alone offers so much potential content. So yes agree, everything around the wardrobe is welcome!
5. Sceptical about this one, characters changing their personality would be confusing for the player and realy hard to implement for the dev i guess.
Plus: Evening personalities out makes them less unique and thus less interesting imho.
Further: Some personalities are already beautifully multi-faced and change their mind about their lifestyle and body perception in different situations!