In the absence of "no fault" divorce laws, New York defendants can find themselves needing to establish that they haven't constructively abandoned their partners by denying them sex for more than a year. For one man, the proof was in the pill box. He solicited as evidence his physician's testimony that he had taken Viagra, and offered up his 10-pill prescription, which had only eight pills remaining.
Proof of Viagra Use Rebuts Wife's Claim of Abandonment
New York Law Journal
May 15, 2006