Nature of work vary in time. It can be a change that is something related to your current job or a totally different one.
The beauty of these changes: you acquire more skills.
The problem: you do not develop expertise, which is critical as you grow old.
Jack of all trades, master of none, as the saying goes.
The former requires some sort of interest and commitment to do.
The latter, a strong reason, i.e. passion, and great leap of faith to cross over.
In your next career move, what wil be the push factor?