Following soul path contracts for the highest and best good of all involved may not mean "happily ever after" when adopting animals into a family. As challenging as that is for beings in human experience, neutral awareness of the "why" you're coming together is key. Even if it means forever won't happen.

https://www.newtoninstitute.org/books/journey-of-souls-dr-michael-newton-1994/

https://www.goodreads.com/book/show/11695840-the-three-waves-of-volunteers-and-the-new-earth