What does love mean?

"When someone loves you, the way they say your name is different. You know that your name is safe in their mouth." Billy-age 4

"Love is what makes you smile when you're tired." Terri-age 4

"Love is what's in the room with you at Christmas if you stop opening presents and listen." Bobby-age 5

"There are two kinds of love. Our love. God's love. But God makes both kinds of them." Jenny -age 4

"Love is when mommy sees daddy on the toilet and she doesn't think it's gross." Mark-age 6

"You really shouldn't say "I love you" unless you mean it. But if you mean it, you should say it a lot. People forget." Jessica-age 8