I get enough of facing discouragement in daily life; mine, my patients', and others', that bowmaking is a treat when I get the chance, no matter what. Even the minutes I get to spend here; typing, thinking about it, remembering my own learning process, helping the next guy, etc. might be the best part of my day, or nearly. Breaking or ruining a bow ticks me off at that moment, of course. It feels like personal failure sometimes, but in the grand scheme of things, it barely makes my radar. There is more wood in the garage.
I've never cared about having a bunch of bows, nor making the BEST bow in the world, or "beating" the other guy's bow. MAKING them, never making the same one twice, always trying a new process, messing with and designing tools, and learning are their own rewards.