The Singular They in English

When I first met them they didn't speak any English and now fast forward three years on nearly three years not quite but let's say two and a half years to be more accurate. They've only gone from being a beginner to a low middle intermediateLet me tell you that is a huge achievement especially for somebody who is not living in the country their access to English speakers is limited. But all of this work all this progress is nothing to do with me it's absolutely nothing to doWith me I'm like a guide okay I'm pointing people in the right direction I'm giving them little handsome tips here and therebut I'm not the reason they're the reason they've put in the hard