Did you search the site for honey jars? If you do that, you'll see a lot of results. They're talked about rather frequently here.
The very basics of them are grabbing a jar, filling it with honey and herbs, your petition, something from the target (hair, nails, etc), lighting a candle on it and working that sucker often. They're slow-moving and take a while to manifest for most people.
But if you broke up because you were arguing too much, I hope you're already working on yourself. You can try to bring a partner back, but if you bring them back into the same environment as before, they're not going to stay for very long.