Let me translate this emotional scene with common American English expressions:

Sophia was at a loss for words.

"What are you talking about?" Matthew frowned and glanced at Zoe. "Cover her mouth."

Abigail felt frustrated and wanted to say more, but Matthew quickly shut her down: "Stop talking, or I swear I'll pull your hair out. The only reason I'm not doing it now is because you just got dumped."

Sophia couldn't help but smile, thinking to ...