Singer-actress Jennifer Lopez, who is caught amidst rumours that she has rekindled her relationship with former boyfriend Casper Smart, says she is still single and likes having "no one to answer to".“In my twenties, I was so focused on my career and on boyfriends, and now I realise it's about focusing on feeling good about yourself. Being single is good. You have no one to answer to, so you can do whatever you want, but I don't go wild or anything,” US Weekly magazine quoted the 45-year-old as saying.Talking about her ideal man, Lopez said: "I like healthy men. If people don't care about themselves, how can they care about anyone else?"