There is just no telling. Keep in mind that your mate will only show you part of their self and hide many other parts. So do you. Many people find out well into their relationships that their partners is XYZ and XYW.<p>3 months and 3 years and 3 hours are not so different, although they provide some false comfort.<p>If you really are serious and want to build a long term relationship, the safest step to take is bring a list of questions and a polygraph.