I just wanted you to know that I know there is some tinge of truths behind the things you say.
I didn't realize it at first but after 2 years of being together, I felt how much you have been struggling to love me the way you think you should. I make no bones about it. I am not ashamed to admit that I have been trying to become the right person for you even if know that there is someone else you would rather be with. I try, tried, and will most likely continue to try and make you love me the way I think you should.
I know someone else owns your heart and I know that you got into this relationship with good intentions and I know that you are trying. I got into this relationship knowing all that.
But it doesn't mean I don't get hurt with your jokes. It hurts and it hurts even more because I force myself to laugh at them. It hurts even more because it's the only way for you to express the pain you are feeling.
I just wish that someday, you will learn how to make jokes for no other reason but to make me laugh.