Yes we can only think.
“Love” its meaning is vast,May be endless .I think the most perfect one can define it completely.Who is he ? GOD .We imperfect people are not capable of defining such a perfect word such as love.it is eternal,not materialistic so it cannot be given a boundry and give a unique logical definition..In my view ,it is a 4 letter word easy to say which cannot be described in words.A word full of meanings,feelings and gives happiness.It’s a source of pleasure and pain.. A word which I understands ,you understands and anyone understands.Most beautiful word.Most wonderful of all things in life. Without it we cannot live.It is a silence yet telling thousand words.Its also an invisible gift to someone.It defines everything in the world.It may be surrendering .Sometimes it is to care and make the others happy rather than yourself Everybody wants it,seeks it ,but luckyones gets it.
Some things we are unable to describe.
"Love is composed of a single soul inhabiting two bodies."--Aristotle
"Love is the beauty of the soul."--St. Augustine
"The best and most beautiful things in the world cannot be seen or even touched. They must be felt with the heart."--Helen Keller
"In the arithmetic of love, one plus one equals everything, and two minus one equals nothing."--Mignon McLaughlin
"Love is something eternal; the aspect may change, but not the essense."--Vincent van Gogh
Everywhere it is interpreted differently.We can write books .We all have different perspectives or views and all are true.that’s why we can only think.Some finds it in poems,some in lovers ,some in their parents etc.one thing is sure it is the greatest and most complex emotion.Even great persons in history cannot define it completely. to love and being loved , somewhere in between lies definition ,but whole world is in between it .just keep love as simply love .