I've never used a fountain pen in my life, but as a writer by trade, I'm still refining my EDC notebook/pen to that "sweet spot" that I like to use, but also remains practical enough to "pocket and forget." I'm intrigued by fountain pens, but I'm not convinced they're for me.
Thing is, I want a pants-only EDC. I can and do carry stuff in a jacket pocket, but that's only when the weather demands it, so I have to be able to comfortably stuff things into my jeans or cargo shorts the rest of the year. That means a back-pocket friendly pen. Right now, I have the telescoping Zebra ballpoint, which is fine, but I'm open to something better. Still, I can't get over the fear that a fountain pen in my back pocket will eventually leak. When/if that happens, it's bound to make a mess not just of the pants I'm wearing, but whatever it is I'm sitting on.
Do any of you carry a fountain pen in your back pockets? Has it ever leaked?