It used to be fashionable for authors to have their pictures taken with dogs, but the dogs always looked like models hired from an advertising agency, and probably were.
In general, an ideal partner is (a) open and nondefensive, (b) honest and nonduplicitous, (c) affectionate and easy-going, (d) mentally and physically healthy, (e) independent and successful in his or her chosen career or lifestyle, and (f) aware of a meaningful existence that includes humanitarian values.