(adding a closing couplet here as a workaround so I can officially end with the second tag!)
But, whate’er you do,
I will e’er love you!

Hey, that’s cheating! (Adding an extra couplet in your commentary, that is).

Apart from that: to be honest, I find this a little…florid? But you are forgiven, as you are clearly not taking yourself too seriously here.

Oddly, the first line reads faintly palindromic to me – I think because Laughter, Daughter? Aught? A poem! has roughly the same metre as A man, a plan, a canal – Panama!. No real significance to this, and just an observation on my part, but I thought it worth mentioning.