As Carol Dweck says, “Effort is one of the things that gives meaning to life. Effort means you care about something, that something is important to you and you are willing to work for it. It would be an impoverished existence if you were not willing to value things and commit yourself to working toward them.
What do artists do? Artists give people something they didn't know they were missing: a dance, a piece of music, a painting, a piece of sculpture. Catering to that need is the best business strategy.
Create some psychological space between you and your project by imagining you're doing it for someone else or contemplating what advice you'd give to another person in your predicament.