Based on the provided reference and common usage, the full form of "BP" in the context of love most likely refers to beautiful people or beautiful person.
While "BP" might stand for other things in different contexts, the association with beauty aligns with romantic and affectionate sentiments. It's used to describe someone as aesthetically attractive, which is often a component of attraction and love.
Therefore, in the context of love, "BP" is a shorthand for acknowledging someone's physical attractiveness, often used affectionately.
