My dearest [Name],
I have been doing a lot of soul-searching lately, and I have come to the difficult realization that I need to be honest with you. Our relationship has been a rollercoaster of emotions, and it pains me to admit that I am no longer happy. I cherish the memories we have shared, but I believe it is time for us to part ways and find our own happiness. This decision was not made lightly, but I believe it is for the best for both of us. I will always hold a special place for you in my heart.
With love and respect,
[Your Name]
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