Bottle of port is enough and a continued good friendship between the two of you helping each other out im sure that is what she would like most in my opinion :)
Haven't read all the other replies, i prefer to post first so nothing sways my opinion from your original post. Anyway, i think you should get a dog if you do want one your life style sounds to me like you will give a dog a great home. Just my opinion, but i would be thinking along the lines of...