Question 2: If you met a nice girl in a 24th century bar and you went out with her and you really liked her but she confesses to you that she was created in a holodeck would you continue to go out with her?
It would eliminate any possibility for a long-term relationship. I mean, what would the children be like?

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The kids could be anyway you wanted them to be. As a hologram your GF could be programmed with a pregnancy subroutine which will give birth to a holographic baby. Do this for as many times as you see fit and there you have it, your own reprogrammable holographic family.