I agree with Thomas in his comment above though - steer clear of Ashley Madison. Christian Mingle is full of fake profiles. Escorts in Dwellingup
Here's the thing about OkCupid: Their advertising is outstanding.
Yes, it could make him jealous, but it could also make him lose hope and just stay quiet about liking you forever. A good sign someone is attracted to you is that they will talk to you a lot, perhaps even to the exclusion of others.
If nothing else, being accepted into something so "exclusive" is a huge confidence boost - if you can get past the absurdly long wait list. Sign up here and check out their super inspiring success stories here. Best for people whose friends hate their exes. Whores Deer Park
It's bear my personal observation. Out my legal butt here.
When you sign up for the site, you have to complete an exhaustive survey about your beliefs and preferences. It takes a while, and it might feel like a bit of a chore. This is really handy.