Doe's anybody fall in love in there dreams?

i had a dream 3days ago about this beatiful girl that i never seen before and i was so happy that i finally had someone to love. i mean she said i love you and i said i love you too and for somereson we were about to get married and everything. then i woke up with a tear fallin from my eye. i was depressed all day that day sayin to myself why? im 24years old male and havn't been in a relationship ever.