Along with family and romance, certain types of friendship present ideals of a central kind of personal love, attachment, and identification with others. At their best, all these personal loves involve intimacy, deep affection, trust, loyalty, (desired) shared activity, mutual interest, valuing, and concern for one another's well‐being. It is also commonly agreed that, across these features of such personal loves, i.e., our intimacy, trust, loyalty, valuing, and so on, we will be guided by interest and concern for the particular person who is our beloved, and this will lead us to act for their sake (
see
Emotion
;
Love
;
Loyalty
;
Personal Relationships
).