The 24-year-old recently split from her "Vampire Diaries" co-star Ian Somerhalder.
"You either have chemistry or you don't, but a lot of what attracts me is a guy's mind and talent. I need to get to know all those things before I fall for someone. I'm not a one-night-stand kind of girl. I'm a relationship girl," she told the Cosmopolitan's US magazine.
"I'm progressive in some ways, old-fashioned in others. I like it when guys hold the door open and are sweet and thoughtful. The guys on our show are really good at that.
"A man in a suit looking put together and dapper is very attractive, but I also kind of like the I-just-rolled-out-of-bed, a-little-bit-of-scruff, effortless, not-trying-hard-but-still-sexy guy. If a guy spends more time looking in the mirror than I do, that's problem!" Dobrev added.
Spotted: Virat Kohli, Anushka Sharma and other celebs at Mumbai airport
Photos: Salman Khan's 'special friend' Iulia Vantur at a song launch
In Pictures: Sex scandals involving Indian politicians
Photos: Abhishek Bachchan and Farah Khan at Boman Irani's birthday bash
Spotted: Shah Rukh Khan at Morani's bungalow in Mumbai