“In me thou see’st the twilight of such day
As after sunset fadeth in the west;
Which by and by black night doth take away,
Death’s second self, that seals up all in rest. ”
Shakespeare, Sonnet LXXIII
I think this is your go-to sonnet because you have mined it tellingly before — but as I think I have said before, you are too young to own it so!
But certainly fitting here –