Plenty of Fish — also known as POF — is a popular dating site for singles.
With more than 3 million users, it's one of the largest dating sites out there.
When you create your profile, you can indicate whether you're a smoker, if you like dogs or cats, if you have kids, if you want to date someone who has kids, and so on.
All this info will help you find the right people to talk to.
You can create a profile for free, which will allow you to use the search function, create a profile, participate in the forums, and email members.