It's so sweet that you want to communicate with your wife like this. Do you mind if I help you? To someone who thinks you are needy right now, your letter will only convince them that you are.
Puppy's will tick her off. Although, he's got the spirit.
If you DO want to set an ultimatum, you will likely have to live with the consequence, and if she sees you as needy, she's not likely to give you the outcome you want. I'll post another version of the same letter in the next post.
sg Love is PATIENT, love is KIND, LOVE never fails / DB since 2001