Love is a 4 letter word with different meanings and properties.

It can be the appreciation¹, the admiration², the affection³ or even the constant need⁴ for person or object.

Love can be overrated¹.
It is seen as a fulfillment² of one's lustful³ nature and not as an intimate⁴ and mutual way of showing affection.

Love should not envy¹, it should be kind².
Love does not boast³, and it is patient ⁴.

4 fingers represent 4 different meanings and properties of love...

4 is the half of 8, the shape of Infinity.

2 sets of 4 intertwined fingers makes 8, love lasting for Infinity. - The holding of hands.