"You started without me! We were supposed to change together!"

"No...T. Do...ne."

"Hmmph. Then hold out until I'm silicone too, and I won't slip a teasing little egg into a convenient hole."

"M.m.m.m. so...in..ds. f..un."

"Right. You would like that wouldn't you? Look, just don't freeze up. I want us to finish together."

"Te...as...e"

"Fine. Hold out and you'll get the egg "

This and a similar image is up on patreon with a TG caption. First try at that. https://www.patreon.com/posts/85426295?pr=true

Image made with WombotAI. All models were 18+ at time of dollification.