Davids psalms are chock full of his expressions of love for God although he may not say the words "I love you" over and over again. Clearly his expressions of praise and worship throughout the Psalms speak of a heart of extravagant love and extreme submission. Here's just a few...
I will praise thee, O LORD, with my whole heart; I will shew forth all thy marvellous works.
(Psa 9:1)
Bless the LORD, O my soul: and all that is within me, bless his holy name.
(Psa 103:1)
The LORD is my strength and my shield; my heart trusted in him, and I am helped: therefore my heart greatly rejoiceth; and with my song will I praise him.
(Psa 28:7)
My heart is fixed, O God, my heart is fixed: I will sing and give praise.
(Psa 57:7)
I will praise thee, O Lord my God, with all my heart: and I will glorify thy name for evermore.
(Psa 86:12)
I will praise thee with my whole heart: before the gods will I sing praise unto thee.
(Psa 138:1)
But as for me, I will come into thy house in the multitude of thy mercy: and in thy fear will I worship toward thy holy temple.
(Psa 5:7)
Give unto the LORD the glory due unto his name; worship the LORD in the beauty of holiness.
(Psa 29:2)
Teach me thy way, O LORD; I will walk in thy truth: unite my heart to fear thy name. I will praise thee, O Lord my God, with all my heart: and I will glorify thy name for evermore.
(Psa 86:11-12)
I will worship toward thy holy temple, and praise thy name for thy lovingkindness and for thy truth: for thou hast magnified thy word above all thy name.
(Psa 138:2)
In Christ,
Ron