so im finally going on my 2nd date ever in my life. im kinda nervous as i dont know how to act around girls. i think she is the one. i dont wanna mess this up with her. what are thing to talk about on a 2nd date? how should i act? i heard nice guys are nice...but they finish last. so should i be an asshole sometimes? i dont like to play games but..... thats because i dont know how to play games

please help guys! you all seem to know and give really helpful advice and suggestions on how to win a girl over. please help. serious posts appreciated :hs:
thanks in advance!!