Keep in mind that the heart is a very accommodating organ.
It can expand to let new people in without kicking out the old residents.
Rather than demanding that all the pictures be put away, you might want to have a heart-to-heart discussion about how they make you feel.
Without being put on the defensive, your new partner, wanting to please you, will probably try to be accommodating. MOVING INTO A HOME SHARED WITH A LATE SPOUSE If there are no financial concerns and this situation can be avoided, it would probably be best to move to a new home - one where you can both make a fresh start and it can be yours together.
It is so natural for him/her because that is where they have always been.