Yes.....I think Blossom has a good tip---don't fantasize a future with him..... Don't start building small picket fences in your mind. Especially, don't show up for a "date" in a wedding dress.
I say that a good year of seeing a person in a lot of different kinds of circumstances---starts to give you a better idea o f what he is made of. It really takes a long time to get to know a person. You have to give them time to take off their "social mask", and begin to reveal all the facets of their personality.
The first 6mo. are a fun time that is almost completely driven by the hormones of attraction. Then, the hormones taper down, slowly, over the next two years.
Then, one is m ore able to clearly assess the true nature of the person in question.
dandylion