Having born in game sims acting out of character or in spite of their aspiration is fairly common, especially when rolling for aspirations like I do and end up with shy pop sims or unplayful pleasure sims. Townies, on the other hand, are often more predictable. Fall in love? Family. Throw a party? Pop. A fear of getting married? Romance.
Whitney, a typical romancing Taurus, was dropped as a date for a young Pleasure sim with a turn on for hats. While on a date they both spun the want to get married. Umm, OK? If you're sure... Since her wedding day she's pretty much surprised me every time I've played their house.
Green engagement and marriage memories. Also, look at her want panel! My family sims have trouble spinning those wants!! Additionally she has never had a fear of having babies and when her two daughters were born (courtesy of ACR) she was just happy to Meet someone new.
Granted, she often spin the want to woohoo 3 sims, but it always goes away quickly and she has never acted upon it. The only "face wants" she'll spin are for her husband, and she has been happily faithful all her married life. As opposed to some family sims I know
So what does these pictures tell us? That some townies are controlled by more than their aspiration, and can be more unique than a "full personality" (with 35 personality points) born-in-game sim.
And of course, there's nothing wrong with Whitney. She's awesome.