Les amenacé con presentar una queja formal por el trato recibido y, a partir de ese momento, fueron mucho más amables conmigo.I threatened them with filing a formal complaint about the way I'd been treated, and from that moment on, they were much nicer to me.
Me diagnosticaron una neumonía y, a partir de ese momento, no volví a fumar.I was diagnosed with pneumonia, and from that moment, I never smoked again.