I obtain no personal enjoyment from the way you look, dress, move, act, or think. Our relationship profits me not. You satisfy no sexual, emotional, or intellectual needs of mine. You're a charity case, and I'm with you only out of pity. Yet that is the perverse view of love entailed in the belief that it is self-sacrificial.
Genuine love is the exact opposite.
One cannot be neutral to that which one values. The time, effort, and money you spend on behalf of someone you love are not sacrifices, but actions taken because his or her happiness is crucially important to your own. Those who argue that love demands self-denial must hold the bizarre belief that it makes no personal difference whether your loved one is healthy or sick, feels pleasure or pain, is alive or dead. Most people would agree that having sex with a person one despises is debased. Yet somehow, when the same underlying idea is applied to love, people consider it noble.