Originally Posted by
RobertMacQuarrie1
Personally, I think the fact that they were introduced because their respective Aunts knew each other is a pretty good justification for why they know each other.
Normally they wouldn't interact since they don't travel in the same social circles. But their relatives knew each other, and decided to hook them up.
It's simple, realistic and down to earth. It's how a lot of people meet and start relationships. It's why I don't find MJ being a supermodel or an actress or a big name star all that unrealistic or that detrimental to Peter's status as an everyman. Because the very start of their relationship, before either party went onto further careers or success, was a very simple pairing initiated by their aunts.