I usually don't post on such threads, but part of these answers are off (starting) topic and some off topic posts lack any humour, some are nearly sick (please spare me references).
I, too, believe that there are more intellingent species in this or other universes, but that none of them has yet managed to break light speed until now (thus was not able to contact us).
We here are lucky that we've got jump gates and jump holes that let us reach other solar systems. :)
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Fighter pilot: You follow my fiancee. You are my rival. I brook no rivals. At six o'clock I shall be in Connecticut, alone, with my Sabre. Do you understand?
Battleship commander: Oh, thank you, that's a fighter pilot's proposal. I'm into heavy ordnance, and I have the choice of weapons. If I go, I shall take my battleship. And there shall be no mistake about the ammunition this time.