Congrats on a successful foster and their adoption! As a fellow foster I know exactly what your wife is going through. Tell her it gets a tad easier the more times you do it. But good call on not doing it during hurricane season. Once you trauma bond with an animal there is no letting them go. My beagle and the three kittens (now fat and happy house cats) I was fostering when Ida hit are a testament to thatI guess I should update... We returned them back to the shelter a few weeks ago to get neutered and put up for adoption.
Im happy to say that they were only up for adoption for a few days and all 3 got adopted together by the same family.
I will admit it was hard to take them back, my wife was a wreck. The house has felt very empty since they have been gone.
We do plan on fostering again but it's hurricane season and want to wait till after it's over with.