Declaring FP's aren't for the OP is not propounding an option, but a flippant judgement with no constructiveness. Your glibness isn't a friend to the OP nor I.
Actually, it's a constructive suggestion. Implicit in it is the suggestion that the OP change his behavior rather than adapt to it. In a similar vein, if someone had a propensity to drive his car into stationary objects, he would be well advised to stick with public transportation rather than try and find a vehicle that can withstand collision. Fountain pens are not designed to be dropped on their nibs. And they are not the only writing instruments available. And they are not the most user-friendly (which is why they have largely been superseded by ballpoints and rollerballs). So the choice to use a fountain pen comes with some considerations. You will have to hold it a certain way. You will have to periodically refill it. And you should refrain from dropping it on the floor. If those requirements are not to your liking, why go out of your way to use fountain pens?
The suggestions that the OP use cheap, disposable FPs whose loss he won't feel only encourages thoughtlessness. I would go the other way. Buy the most expensive, beautiful pen you can possibly afford and learn to care for it. Then if you destroy its nib, you will be truly mortified and learn a valuable lesson. I've destroyed a small number of valuable pens myself. I lost the barrel of a Silvexa to a puppy who was going through a chewing phase. I learned to not leave my pens within reach of chewing puppies. I destroyed a Lamy 2000 whose nib I was trying to adjust despite, at the time, knowing very little about adjusting nibs. I learned to seek expert help.