Rather than "difficulty", consider ROI and opportunity cost. If it's difficult, but you're learning a new skill, expanding your perspective or capacity, or enj

Rather than "difficulty", consider ROI and opportunity cost. If it's difficult, but you're learning a new skill, expanding your perspective or capacity, or enjoying the challenge, by all means, keep going. If you're not enjoying it, and the payoff is just having completed it, and you could do a lot more valuable/enjoyable stuff with that time, then stop reading Finnegan's Wake, for goodness sake.