I would characterize this person’s goal as a ‘change of pace’, which is worthy in a long term career. At some point he/she might want the pace accelerated again

I would characterize this person’s goal as a ‘change of pace’, which is worthy in a long term career. At some point he/she might want the pace accelerated again. In a great company you can find the change of pace internally, but unfortunately this not an option everywhere.