You watch as Jake stumbles around, not sure how to handle having two legs, shoes or clothes. While you could hand over Kelly's body to someone else, that would just move Jake into another body to struggle with and you didn't even want to think about Jake needing to use the bathroom. Your best choice was to train him to be human, or at the very least be your aunt Kelly for a while.
Luckily you had a few inventions that could help with the training process, you had a couple of mind control devices you had trialed on Erika, much to her annoyance. You chuckled as you remembered how you made it so she could only say every second word in her sentence and dance every time she wanted to walk. This would be a starting point but it would be too much work for your to constantly keep an eye on Jake.
"Okay Jake, stand up on two legs," you instructed and Jake obeyed. "Good now walk like a human." Jake kept walking around the garage. "Cease all active commands," you told the device. Jake managed to stay up on his legs. You turned off the device. "Jake, here boy!" This time Jake came to you on your own, walking like a human. He looked at you with your aunt's eyes pleading for something. You wondered what it was and he whimpered. You gave your aunt a pat on the head, causing Jake to smile.
You turned the device back on. "Jake, say hi."
"Hi," you heard your dog say in your aunt's body.
"Say, my name is Kelly, I am a model."
Jake repeated the words back. Satisfied you turned of the device.
"Jake, say hi."
"Hi, hi, hi... hi, hi... hi...hi hi hi... hi!" Jake was excited he could speak, only it seemed like he was treating hi like a regular bark.
"Who's a good boy?" you tested to see if that were the case.
"Hi, hi, hi," Jake said as he turned around, a usual behavior for him. This was going to take a bit more work than you anticipated. You weren't going to have Jake ready in a day, even with your devices speeding up the process, this would take a bit longer. However if you stayed here, your dad was going to take notice, then you'd need to explain the whole body swap machine, then he might undo the work.
You had to do this somewhere more private but you couldn't risk the body swap machine staying where it could be abused or destroyed. Fortunately, the pods were able to fit in the back of your aunt's car and you probably could talk your mum into taking her body home and staying with her for a few days.