Too happy Time dissolves itself — Droppings

Too happy Time dissolves itself 1
And leaves no remnant by-
'Tis Anguish not a Feather hath
Or too much weight to fly-
(F.1182/J.1774)
[1] happy Time:: (a) bird's eating time; (b) love-making time. dissolves:: (a) digests; (b) abortion after pregnancy.
[2] remnant:: (a) droppings of a bird; (b) a dead body.
[3] Anguish:: (a) suffering; (b) severe mental and bodily suffering. Feather:: (a) a bird; (b) a nobody.
[4] fly:: (a) to rise in the air; (b) to escape.