What is this 'love'?

<big> What is love? Love is when you'll never give up No matter how hard you're put down Love is promising and keeping The fact that you'll always be around Love is that feeling That you've never felt before Love is not knowing the feeling But then realizing you want more Love is the meaning of trust And trusting only one Love is never letting go Even when you say you're done Love is the best thing in life And to most can be the worst Love can be the greatest spell But some say it's a curse Love is what makes you special Out of everything you do Love is just this feeling That I only feel for you </big>