Why we should Love the LORD.
Luke 10:27 And he answering said, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy strength, and with all thy mind; and thy neighbour as thyself.
Part 1; why we ought to LOVE the LORD.
1 John 4:8 KJV
He that loveth not knoweth not God; for God is love.
1 John 4:9 KJV
In this was manifested the love of God toward us, because that God sent his only begotten Son into the world, that we might live through him.
God Loved us first.
1 John 4:19 KJV
We love him, because he first loved us.
We know Love because God died for us.
1 John 3:16 KJV
Hereby perceive we the love of God, because he laid down his life for us: and we ought to lay down our lives for the brethren.
We Love Him when we keep His commandments.
1 John 5:3 KJV
For this is the love of God, that we keep his commandments: and his commandments are not grievous.
We Love Him when we Love each other.
1 John 4:8,11 KJV
He that loveth not knoweth not God; for God is love.  Beloved, if God so loved us, we ought also to love one another.
We know we Love each other when we keep His commandments.
1 John 5:2 KJV
By this we know that we love the children of God, when we love God, and keep his commandments.
We should LOVE the LORD.