Simply replace the unfilled areas such as "" and "[date]" with your information.
There are some things that words cannot describe. The feelings I have when I think about you, and when I dream about you are amazing. I've never felt like this before in my life. I think that you're an amazing person and without you there for me when I needed you, I don't know where I would be right now.
My love for you has grown so much over the past couple of [months/years]. I think back to when we first met, I would never have imagined that we would be where we are today. It's just going to keep getting better. I'll always be there for you and when you need someone to talk to I hope you come to me. My life is perfect with you in it.