She likes being close to her Appa.

*Jonghyun said with a smile, he had a feeling she was going to be an omega, so he wanted to be there to teach her and help her through everything. She would be a beautiful woman and she would hopefully grow into a new and successful generation of hybrids.*

When we meet Jiwon's parents, maybe they would like to see the pups? I bet Soo will love them as much as she loves Jiwon.