complexion > combination of humours ("cold" or "hot", "moist" or "dry". The "humours", in medieval physiology, were the four chief fluids of the body: blood, phlegm, choler and melancholy. A person's temperament was determined by the relative proportions of these four cardinal humours)
4 A filthy blood, or humour rancorous, 5 Matter of doubt and dread suspicious,
doubt > fear
6 That does with cureless care consume the heart, 7 Corrupts the stomach with gall vicious,
stomach > stomach; also: spirit, pride vicious > foul, noxious; impure; morbid, diseased
8 Cross-cuts the liver with internal smart,
liver > {The supposed seat of love and violent passion; also: one who is alive} smart > pain, acute pain
9 And does transfix the soul with death's eternal dart.
310.60
Yet can he neuer dye, but dying liues,
2 And doth himselfe with sorrow new sustaine,
That death and life attonce vnto him giues.
4 And painefull pleasure turnes to pleasing paine.
There dwels he euer, miserable swaine,
6 Hatefull both to him selfe, and euery wight;
Where he through priuy griefe, and horrour vaine,
8 Is woxen so deform'd, that he has quight
Forgot he was a man, and Gealosie is hight.