A relationship is a strong, deep, or close association or acquaintance between two or more people that may range in duration from brief to enduring. This association may be based on inference, solidarity, regular business interactions, or Love: Affection Bonding Broken heart Compassionate love Conjugal love Courtly love Falling in love Free love Friendship Intimacy Love addiction Love at first sight Love triangle Loving-kindness Lovesickness Lovestruck Obsessive love Passion Self-love Unconditional love Unrequited love