my car started over heating and now it stopped. What do I do now?

What is your question?

Drove my car to an event about 8 miles from my house. As soon as I got ready to pull into a parking spot, my temp gauge went all the way to hot and water and coolant started leaking out from the reservoir overflow. I let the car cool off for about 2 hours and came back to check it. It seems like it's running fine, but to be on the safe side, I had it towed home. The next day I put more coolant in the car and let the car run for 30 mins. The fan never came on, so I tapped it and boom it came on. I took it for a drive and nothing happened. Still a little nervous to drive it normally. Any suggestions?