Can Tomodachi Life Characters Break Up?
No, Tomodachi Life characters may not break up if they are divorced or separated when you rescue them from the Island that has Lost its Magic, with the exception noted below. Miis on the island of Miosha are immune* to divorce, meaning if they fall in love, become engaged to be married and their love, they will remain on the entire game together regardless of this change in life status.
Breaking up is definitely possible once two Miis have come together as partners, but is not as cut and try as one Mii could try to get married and possibly have a child if they go through the life together can. The best way and most reliable ways for two pairs to break up to keep you in touch or a trip to the island has Lost It’s Magic
The breaking up process
In tomodachi life
When all is said and done Mii can fight until they have children at home.
If they remain on Island of Miosha.
In addition Mii the Island that lost its magic or rescue any Mii by rescusing them from the Island have lost some of its lost and its and the two families have lost them and their family is one.