Rainbows don't flicker. Other images are inaccurate of language. It's a common theme and hard to do well.

This is good. Good title.

Try removing "confined to" from "an air of vanity, thus giving her some choice.

"faltered ego" seems imprecise, maybe faulted.

Cute.

Note: The paradelle is one of the more demanding French fixed forms, first appearing in love poetry of the eleventh century. It’s a poem of four six-line stanzas in which the first and second lines, and the third and fourth lines, of the first three stanzas, must be identical. The fifth and sixth lines, which traditionally resolve these stanzas, must use all the words from the preceding lines and only those words. The final stanza must use every word from all the preceding stanzas and only those words.
Here I have presented only the first stanza, hoping to perfect all six stanzas into a monumental epitaph. I can then die having accomplished a worthy life’s mission.

I see the impassable path and your family's wrath, but not quite getting the last line. Was it really impassable?

What a great future! I think even the footprints in time blow away. A tapestry carefully woven and inevitibly unraveled.

Please see my comment on Time's End.

I like it because it provokes thinking about the possible "illusion of order and substance."

Try leaving out "then" in the last verse.

Sane, yes. Interesting, sorta.

I like the repeated line "Clouds above forming" with its shades of meaning, and rhyming lines 2 and 4. There must be a name for this.

"Echoes as we part" or "Your sad goodbyes to me"

I love this. "War" doesn't seem right though for kites praying of fireflies. The fireflies can only try to dart away. Then as "letters" of birds reel above, it seems some connection with the first line is needed. Like "razed haze of high English summer"