The prompt is simple; have one of your characters confess their romantic feelings to an unseen pony. Try, if you will, to write your entire entry as the confession itself in the character's voice.
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I am really quite glad that we agreed to have dinner tonight. Even more so that it turned out so well. This is because I need to tell you something, am I'm not sure if I would be able to convey it correctly if the circumstances were not perfect.
I am still unsure whether I will be capable of doing so in any case, so please forgive me in advance if natter on as I usually do. It is to hide my fear.
I am not what you call a sentimental pony. I was never enamored with the business of special someponies or Hearts and Hooves like my peers. I have had suitors, yes, but none had really captured my attention.
That is, until you.
Not only did you understand my faults and flaws, you have also helped me overcome them. Something about you and your kind, gentle personality not only makes me want to grow into a better pony, but makes it seem easy.
And I want to grow with you.
Because you make me feel warm. Because you make me feel wanted. Because you make me feel worthy of happiness.
I'm sorry, I'm being overly verbose. Not elegant at all. There is beauty in simplicity, so I will summarise thus:
I love you.