Wendy Van Camp writes science fiction, regency romance, and poetry. Higher end pens are all tested in the factory. Feeds often feature finned structures intended for buffering fountain pen ink.
In countries where this rivalry was not present to the same degree, such as the UK and Germany, flexible nibs are more common.
If you ask around, you would be surprised how many people have them. Your Pen On the question of "breaking it in" I would say there is no break-in period for the pen.
Those note pads are not made of the recycled cheaper paper found in offices. The feed allows ink to flow when the pen is being put to paper but ensures ink does not flow when the pen is not in use. Vacuum fillers, such as those used by Pilot in the Customutilize air pressure to fill the ink chamber.
Ideally, a fountain pen's nib glides across the paper using the ink as a lubricant, and requires no pressure. Many vintage pens with decades-old nibs can still be used today. Non-cartridge filling systems tend to be slightly more economical in the long run since ink is generally less expensive in bottles than in cartridges.
When I discussed the issue at my pen store, they saw how I was capping the pen. Go out, and learn how to use a fountain pen.