What's definition of love for you?

Many people says there is not one definition of love or love is very tough to define or it has different meaning for different people. But I feel like it's not so. But love has very simple and short definition that it's a healthy feelings when we are genuinely and truly wants to make other person happy. And we feel to care them protect them that's love.

What do you feel? What's definition of love according to you? And is "love" really so complicated thing? Tough to define or understand?
What's definition of love for you?
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