(excited chatter) ( ♪ ) various: whoa! (mixed exclamations) ( ♪ ) (cheering) ( ♪ ) (cheering) tais really quite simple.est it comes in the mail, you pull out the tube and you spit in it, which is something southern girls are taught you're not supposed to do. you seal it and send it back and then you wait for your results. it's that simple.