Parry agreed that in some cases it may be because of all the media attention that the cougar lifestyle is getting that older women choose to date younger men and vice-versa.
"To a certain extent younger men and older women have been given a thumbs-up to date each other," Parry said.
"But the guys I know that have dated older women have done it for other reasons than it's hot to date a cougar. In the end, both people have to be in it for the right reasons and it has to be genuine."
Here are five of ABCNews.com's favorite cougar and cub, a slang term for the younger male, couples.
Demi Moore and Ashton Kutcher
The couple that started it all is still together and by Moore's own account in April's "Harper's Bazaar" very happy. In the magazine, Moore said the couple met at a New York party in 2003 after they were introduced by a friend, not Sean "P. Diddy" Combs as had been previously and widely reported.
"I knew it had the potential to be something special right away," she told the magazine. "It was so disproportionate, the level of emotion we were experiencing to the time we had spent together. But when you don't know someone, you can't just jump and say 'I love you.' Yeah, no. We used to end our calls or e-mails with 'And everything we don't say.'"
Moore also said that the couple spends most of their time away from the cameras watching television and enjoying each other's company.
Moore, 47, and Kutcher, 32, have been together for seven years and married for five. And, it seems, despite the 15 year age difference, that the couple is still going strong.
Mariah Carey and Nick Cannon
After only six weeks of dating, these two celebs, Carey, 40, and Cannon, 29, tied the knot in a surprise wedding on Carey's Bahamian estate.
People magazine was on the ground of the 2008 wedding ceremony and spoke with Carey who said the sunset affair was, "really beautiful and sweet and very understated."
After the wedding, Carey said that the quick courtship was because they "really do feel like soulmates." "I never felt a love like this was in the cards for me," Carey said.
Her husband, Cannon, added that Carey is "beautiful on the outside and 10 times as beautiful on the inside." The couple also has a tradition of celebrating every anniversary with a small ceremony or party -- they've got their third anniversary coming up April 30. The best part: every year Cannon buys Carey a brand new diamond ring. Eventually, she might run out of fingers to hold them all.
Madonna and Jesus Luz
The material girl, 51, and her boy-toy, 23, have by far the greatest spread between them - a difference of 28 years. Despite recent break-up rumors, the pair that defines cougar and cub were spotted kissing in a Rio de Janeiro night club just last month, as first reported by TMZ.com.
According to the "New York Times," the pair met in late 2008 when Jesus was to be the male model for a W photo shoot on Madonna. The pair played lovers meeting in a Rio hotel.
After the shoot, Luz has become Mr. Madonna escorting her to the Metropolitan Institute Costume Ball and appearing in high fashion runway shows all over the world including Dolce and Gabbana in Milan.
Hitching his wagon to Madonna's star certainly has helped the former Brazilian surf shop salesman boost his career, but, hey, it hasn't hurt Madonna at all and we're sure there are a ton of other women out there who would do anything for those abs!
Barbara Hershey and Naveen Andrews