Hm... the sexual talking is more like she talked while I was there about the spring break thing. So I asked if she was that kind of girl who needed a new guy every week and she stated she was no slut she's got a fuckbuddy, so no not a new guy everytime. Then there was dead silence and she asked in front of guy colleagues: Have you ever had sex? She said that with a very devilish smile. Out of reflex I said yes of course. What's your opinion on things like that? Giving in that you're a virgin, talking about your former self (that for example you've been very nerdy, antisocial?).
And I really shall ask her and not just "wait" for her texting the invitation?