~ That's the most fundamental question of life. What on earth am I here for?
Well, you need to understand God to answer that question. You see, the bible says, "God is love." It doesn't say He has love, it says He is love. It's part of His nature, His character, it is the essence of His being. God is love. Now, love isn't very valuable unless you bestow it on something and the bible says, "God made you to love you." You were created as an object of God's love. If you want to know why you're taking breath right now, why your heart is beating, it's because God made you to love you. It's the sole reason. You were made to be loved by God and to bring Him pleasure.
Now God wants you to learn to love Him back and that's the first purpose of your life, to get to know and love Him back. One day Jesus was walking down the street and a man came up and said, "What's the most important command in the bible?" And Jesus said, "I'm going to summarize the entire bible in one sentence. Love God with all your heart and soul and mind and strength." That's called the great commandment. And God wants you to get to know and love Him back. So that means when you get up in the morning, you should sit on the side of your bed and say, "God, if I don't get anything else done today, I want to know you a little bit better and I want to love you a little bit more." Because if at the end of the day you know God more and you love Him more, you have just fulfilled one of the purposes of your life.
If, on the other hand, you've accomplished all kinds of things and achieved many, many successes in life, but at the end of the day you don't know God better or love Him more, you have missed the primary purpose of your life. Because God didn't put you on this earth just to mark things off your to-do list. He put you here to know Him and love Him. That's why you exist.