First of all, how is she supposed to wait until shes pregnant to have sex for the first time?
And second of all, that last part of your post can be taken totally the wrong way. Dont tell a young girl that sex is the closest way to get to a boy...thats so wrong. Thats like saying the only way to keep a boy is to have sex with him!!!
And third, the first time isnt always pleasurable....but if you are with someone you are totally comforatable with and relaxed around, it should be a great experience. Dont regret losing your virginity to someone you dont even care about.....
As for the stuff that comes out, as the first person said, its not eggs, that IS the ovulation process that happens INSIDE your body. SOme women ejaculate, most dont...and thats the "stuff" that "shoots" out.
I suggest looking up some things on the internet about the female body....there are alot of informative sites. And you should definately know this stuff BEFORE you have sex. KNowing yourself can help it be a great experience for the both of you!!