Message of appreciation to a boyfriend?

Dear [Boyfriend],

I just wanted to take a moment to express my deepest gratitude for everything you do for me. Your love, support, and kindness mean the world to me, and I am so grateful to have you in my life. You always know how to make me smile, and your unwavering commitment to our relationship fills my heart with joy.

Thank you for being my rock, my confidant, and my best friend. I appreciate all the little things you do to make me feel loved and cherished. You truly are a blessing in my life, and I am so lucky to have you by my side.

I love you more than words can express, and I am so grateful for the love and happiness you bring into my life every day.

With all my love,

[Your Name]