Every one of our passions and affections hath its natural stint and bound, which may easily be exceeded; whereas our enjoyments can possibly be but in a determinate measure and degree. ↗
The private interest of the individual would not be sufficiently provided for by reasonable and cool self-love alone; therefore the appetites and passions are placed within as a guard and further security, without which it would not be taken due care of. ↗
And in a way, that's been a help to me, because I take great passions for a particular poet - sometimes it lasts for many years, sometimes only for a while. This happens to everybody. ↗