"So,.. Lemon, dear, is he better now?" chuckled Mr. Scribbles, nudging me forward

"... He's still ugly. But least he doesn't smell anymore."

Based on the illustration, she can’t call anyone/anypony ugly.

"We don't have a cat!" laughed the stallion, turning back to his wife "Saw how nervous he got just because he couldn’t do it right away? That was hilarious.!"

F*ck you.

"Fuck my talent! What is it good for?! Fuck everything! You're gone all week and instead of taking a single day off, you just buy me this creature so that you won't have to deal with your stupid cripple of a wife!!"

Ok, I understand she’s going through something, but that’s no excuse for insults to the “creature” that’s forced to help you.

He was trying to look composed but I knew he was boiling inside. ...And I was left there all alone with the mare, unsure what to do.

Why is he angry?