The primary perceived reason for a relationship with a significant age difference is sexual, many gender-specific terms have become popular in english-speaking cultures.
Question is simple, as life expectancy goes up and people take better and better care of themselves, do traditional notions of appropriate age differences in relationships matter?
"never date anyone under half your age plus seven" rule is a rule of thumb sometimes used to prejudge whether an age difference is socially acceptable.
Age difference in dating relationships
In the latter case, the term trophy is broadened to include any substantial difference in power originating from physical looks, wealth and/or status.
(for the sake of this article, we'll define an age difference as five years or more.
August 2010, michael dunn of the university of wales institute, cardiff completed and released the results of a study on age disparity in dating.
Age gap for dating
Years averaging male and female preferred age) corresponds very closely with the actual mean marriage age difference (2.
The picture often displays a stereotypical pairing of a divorced, middle-aged, white, affluent female dating a younger male with the relationship taking the form of a non-commitment arrangement between the partners.
 within sexual selection darwin identified a further two mechanisms which are important factors in the evolution of sex differences (sexual dimorphism): intrasexual selection (involve competition with those of the same sex over access to mates) and intersexual choice (discriminative choice of mating partners).
Age difference for dating
There are also alternative social theories for age differences in relationships as well as suggested reasons for 'alternative' age-hypogamous relationships.
(a 37 year old dating a 25 year old is different from a 30 year old dating an 18 year old.
While i don't think it's important to adhere to an arbitrary formula when considering age in a potential relationship (interestingly, when i met kevin our age difference was exactly this ratio), i think it can be a good rule of thumb to help you consider if your relationship is appropriate.
The sake of this article, we'll define an age difference as five years or more.
 in a brown university study, it has been noted that the social structure of a country determines the age difference between spouses more than any other factor.
I guess it was because i'd heard two or three stories of the woman being seven years older, so i'd sort of decided that was the outer limit of age difference acceptability.
Men marry women younger than they are; with the difference being between two and three years in spain, the uk reporting the difference to be on average about three years, and the us, two and a half.
, in regions such as the caribbean and latin america we see a lower smam difference than expected, however there are also a large proportion of partners living in consensual unions; 24% in brazil, 20% in nicaragua and 18% in dominican republic.
I began dating kevin, a woman i worked with in children's ministry frequently asked me about him, seeing potential from the start.
^ a b ben wilson and steve smallwood, "age differences at marriage and divorce", population trends 132, summer 2008, office for national statistics .
In their 50s will often narrowly restrict their dating range because they have a fear of meeting and falling in love with an older man and then having to deal with his health issues.
While the same life stage can seem to erase an age difference, willy wooten, a licensed marriage and family therapist, who has been counseling for over 30 years, encourages couples to think ahead.