- Chapter 2 - How To Know What Gender Dog Is Best For You Size and Cost of Spay/Neuter . . . . . . . . . . . . . . . . 10 Differences in Personality and Behavior . . . . . . . 11 Summary and Conclusions . . . . . . . . . . . . . . . . . . 12 9 Size and Cost of Spay/Neuter Differences in Personality and Behavior Summary and Conclusions 9
