Challenge: Definitely meets the challenge. I think it would have been a little more compelling with a tear or maybe more jagged writing. Your writing looks so beautiful and "happy", not desperate. (that's a backwards compliment)
Technique: I love the angle and the cropping. The corner at the top is cropped, but the bottom is not, so it is a bit too off-centered. The black and white finish is great. This is a little blurry, which probably happened during resizing. You might want to sharpen your image before submitting next time.
Overall: A creative and good approach to this challenge. I'm sure many of us can relate to the despair of losing trust in a loved one. Thanks for sharing this wonderful image with all of us!
Excellent idea I love it! You have met the challenge head on with this image. At first I thought you had both his and her rings there but I see they are the same size so they must be both hers. I mean it wouldn't have made sense if his ring had also been there. Great composition, the angles are very harmonizing. Congratulations.