definitely love. because if this word ddidn't esist, then it would mean that the very concept did not exsist. And what kind of world would we be in if there was no love?
love enables us in so many ways...
Love helps us bear with people we would rather beat up or kill!
Loves make us do things for others, help others out.
love makes us be responsible people, reliable, dependable.
Without love, there would be no concern, no obedience, etc.
My, what a chaotic and violent world would our world be without love! :)
(surely, without love, my husband and i couldn't stay married, and i might not have patience in raising my hyperctive and energy-sucking kids! haha)
hope this helps,
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