1) Recently, I've not been visiting loads and have dropped out of the daily habit of visiting, so, I tend to visit for curiosity's sake now.
2) If I am bored and have little more to do, I visit these forums.
3) For whatever psychological complex, I feel compelled to check my previous posts for replies to them. :S
And No.4) It's on my bookmarks, so I click on it if I'm wondering if my Internet is down. :3