Even though neither wanted the change and both hoped the other would object, each adjusted their transformation rings; his to pink for the inbox and blue for the outbox; hers to pink for both compartments. They touched their rings together and - nothing happened. They did it again, and still nothing. They double checked the settings, tried a third time, but still nothing.
There was a brief silence, and then Elaine spoke. "I guess because there was no male input, there could be no male output. You are now a girl - me - forever."
"Bob, my love, maybe this is fate. To be honest, I am really glad you will be in that beautiful body from now on. I love you even more this way. We can be even more intimate now, totally in synch, with no more sexual differences or embarrassments. And sexually...." She kissed him deeply, a kiss that almost lasted forever, until he finally broke the kiss (at least temporarily).
"Elaine, my soulmate, I was just too embarrassed to admit I would rather be a girl forever, that I love being you. That the thought of going back to being a guy... But now I will proudly say it. Call it serendipity, fate, whatever. I am now the luckiest guy in the world. (They both laughed.)"
Elaine whispered, "Bob is no more. Kiss me, Bobby." They embraced tightly and resumed their kiss. This time Bob -- now Bobby -- closed his eyes completely.