Question

What is meant by oblivious enmity?
How long would you be remembered after death?
What is meant by ending room?
Who are these lines addressed to?

Answer 1

enmity makes u forget all the good deeds of. the person who u loved.
the poet's friend will be remembered forever because Shakespeare has mentioned him in his poetry. poert never dies and hence his friend too will be remembered.
ending doom means the day of judgement

Answer 2

In fact, it's almost as if he's striding out of the poem to meet them. This sonnet has declared war on war and death on death. "All-oblivious" here doesn't mean that enmity (a synonym for "war") is some kind of unaware teenager, completely unconcerned with the outside world. this would really help u