Someone tell me why...

everytime I'm on the internet browsing, and I'm about to click a link accompanied with a warning or something like "NSFL" ("not safe for life" for you noobs), I do it anyways? Then immediately after, think why did I do that? And additionally, can't look away despite how grossed out I am?

For example, the pictures immediately following this one:

I'll refrain from posting the rest. Ugh. Bugs. Up there with some of my worst fears, but definitely not as scary as the thought of the open ocean *cringe*