Originally Posted by
Acanous
Transsexuals identify as the opposite sex, and associate roles and behaviors traditionally tied to that sex as conductive to their goal(Of being as "like" that sex as possible.).
Thus they mimic those behaviors, often assigning more importance to them than people actually of that sex to make up for thier lack of primary sexual characteristics.
Gender roles are mostly a social construct. There are a few carry-overs from hunter/gatherer times, or ones that make use of the male's higher upper-body strength, but the rest? Totally irrelevant.