To understand what it is to love something more than yourself is to build many other great emotions:
Much of this are by-products of love
And if that doesn’t seem useful to you. Well love will help massively with flirting/dating and seeing the ‘signals of love’ if it doesn’t work out for you for the first time.
Also. Love is pretty much the greatest thing I’ve ever felt.
For more of my thoughts upon r’ships follow me on Quora.