Date an astronomer, because they can promise you the sun, moon, and stars, and deliver!
What is the cross between the moon and the stars? You.
You know why Men are so much sexier than women? Because you can't spell sexy without "xy".
Why don't we measure the coefficient of static friction between me and you?
If I could rearrange the periodic table, I'd put Uranium and Iodine together.
You're hotter than a bunsen burner set to full power!
Hey baby, wanna form a zygote?
What say we slip between my beta-pleated sheets and you get to know my alpha-helix?
Hey, are you an alpha carbon, because you look susceptible to backside attack!
Like the ideal vacuum, you're the only thing in my universe.