Not enjoying what you’re doing can be the quickest way to boredom, depression and ultimately poor science. If you’re not fully engaged with your work, how can you possibly begin to explore the subject fully and ‘see’ the links that others miss? Teaching is also, in part, about enthusing students for your subject, however they’ll be the first to spot a fake.
Derek Lowe has written an article in Chemistry World, The passion of the chemist, which really resonated with me regarding motivation. I’m never more focused, determined and..quite frankly enjoying myself when I’m in control.