because at a certain point people whose list of priorities intersect meet and having similar interests share everything. hence these are called friends. to break this friendship, all one has to do is introduce a priority that overshadows the others in any one of the persons involved. Sometimes more priorities need to be added. however in some rarest of rare cases, the friendship itself becomes a priority. in this case, a priority needs to be introduced which has directly strongly opposing opinions from both parties. this would cause the priority list to change dramatically, hence causing a rift between the 2 participating entities.
Shall i call this......the wanderings of a calm mind?