I need some relationship advice, please help?

I started going out with my girlfriend yesterday around lunch. I met her on Monday. I've seen her around for months, she seems very nice, and shy, my brother yesterday confronted me (both of them are freshman) and told me that she is slutty, and she flirts with a bunch of guys. I don't want to believe him, and I somewhat believe that he would say that because shes a ';goth'; and hangs out with ';gothic people'; but why would my own brother lie to me? Also, she is kind of becoming obsessive.. I'm not used to this kind of behavior, she has told me already that I am the highlight of her life at the moment, shes told me that I'm sexy (that one I have heard so it was fine), but she also said that she feels like shes known me all of her life.. Is that good, or is it bad that she said that yesterday? Also, she said she couldn't sleep last night because in the back of her mind she could hardly believe I am real. I'm kind of nervous, this behavior is new to me, what should I do? I'm worried that if anything happens, it will be like Fatal Attraction, please give me some advice...I need some relationship advice, please help?
Wow...this chick does sound sort of Fatal Attraction like. Especially for just starting to date you. I would say mention it to her. If she doesn't calm down, drop her. I need some relationship advice, please help?
she sounds like shes moving reeaally fast....but its pretty normal for teenagers =/ and maybe ur brothers arnt exactly seeing everything right...maybe they thought they saw her doing something slutty but misinterpreted it...but u should usually trust ur family...they dont USUALLY try to screw u over lol
well ask her if she's flirting with people.. b/c i think your brother wouldn't lie to you. so i would just cut her loose
wooooooooooooooooooooooooowwwwww!!sorry dude i have no advice good luck!!
haha. i must laugh at your reference to Fatal Attraction.





i think that you just need to go with your gut. if worse comes to worse use the whole ';it's me, not you'; cliche. but she seems to be interested in you, give her a try. the worst case scenario is your brother will be right and she'll turn out to be a slut... but at least you will have given her a chance and will know that you tried. ;]





best of luck bud, here's to NOT another Fatal Attraction