It means that she had a dream, just a dream.
My girlfriend just told me she had a dream were we had kids what does this mean?
As the others have stated, it's just a dream. But here's a hint: If you are not doing so already, if you are sexually active, you need to use a condom each and every time.
Most humans have there own
personel time machine.
Dreams take you forward.
Memories take you back.