Paris Hilton hasn't had sex for seven months.Earlier this year, Paris vowed to stay celibate for at least 12 months and insists she has stuck to her self-imposed sex ban.She said: "I have been celibate for about six or seven months, I think. I would rather just make out and kiss someone instead of sex."The socialite has also rubbished rumours she has rekindled her romance with Greek shipping heir Stavros Niarchos saying she is definitely single and not looking for romance.She added: "I'm single. I said I would be single for a year and I am."The 25-year-old blonde - who has recently been partying hard with new best friend Britney Spears - also extended some advice to young girls about how to get the respect of men.She said: "I'd rather not do anything. Guys want you more when you don't. Young girls should know that."