Marcy grinned. Of course! Dustin had experience being a dog, and even one of Lady's breed. She didn't hate Dustin with the emotional intensity she had as Ty--like much else in Ty's life, that had faded into a background hum--but she didn't hesitate either. She teleported Dustin to her house, and before he could react transformed him into an eager, virile male golden retriever.
The two dogs leapt together without the slightest hesitation or self-consciousness about mating in front of Marcy. As Lady said, "that's what dogs do." And Marcy felt little self-consciousness either, pulling down her pajama bottoms and masturbating while opening up the telepathic link with Lady. The blend of her own sensations and Lady's brought her to an earth-shattering climax.
Marcy's powers kept her parents in deep slumber while this was going on, as well as ensuring that the two dogs' ecstatic barks and yips did not wake the neighbors. After Dustin and Lady had come apart, panting in mutual exhaustion, Marcy used her powers to ensure that Lady would become pregnant with a healthy litter. But what to do with Dustin?