Do you have a pattern to the people you date or are attracted to?

Or even with the friends that you make?
Is there a pattern to it? If so, what is it?
Where do you think it comes from?
Do you try to break it or are you perfectly okay with it?
What (if anything) do you think this pattern says about you?
This is sort of related to this question, but in a much broader sense.
And without any given assumptions.