HeartMath found that five minutes of feeling love and care can strengthen your immune system for up to six hours, whereas five minutes of feeling angry can weaken and suppress the immune system for six hours. Love releases very powerful, beneficial chemicals into the body.

The fourth doorway is the Doorway of Openness located in our heart center. It has to do with being open to both giving and receiving love. It's not just about being able to give, but it's also about the ability to be open to receive. There's a certain vulnerability in receiving. When we truly take in and appreciate all of the gifts of life, then our hearts are truly open in love.

When people are deeply happy they bring a sense of purpose with them wherever they go, whatever circumstances they are in. So if they're changing the oil in the car, they bring a sense of joyful purpose even to that.

If you're having a hard time being compassionate to or forgiving of yourself or others, you repeat these four phrases directed to yourself or the other person: "I'm sorry. Please forgive me. Thank you. I love you." And just by saying and feeling those phrases, you will find your heart starts to melt.

So the difference between most books about love and Love For No Reason is that traditional love books focus on love as a stream of energy between two people, whereas this book focuses on love as a deep state of being that you can live in no matter what's going on in your life.

The problem for most of us is that the cup has holes, so love goes out just as easily as it goes in. What happens when people are living in the unconditional state of love, however, is that they recognize they are the ocean of love; they know it's their essence. And they naturally overflow in this love. So instead of being love beggars, they become love philanthropists.

What would our lives be like if we could all be happy no matter what?