Exchange of houses by enemy star

When exchange of houses by enemy stars exists in horoscope: It’s a kind of relation that exists with ownership of houses who are enemy but they fear that if one enemy ruins the house of other enemy house by sitting their then other enemy would also ruin : then a relation develops which is called compromise and mutual fear that turns in friendship: thus exchange of houses by enemy lord or upon inimical sign gives a relationship of practical approach : they are enemy but they are friends but it may happen they previous enemy becomes friend later on : exchange of lord of CENTER lord with even 6.8,12 lord don’t ruin the Center position but Center becomes powerful in the period of occupant enemy of 6.8,12 lord