My dad's about 170 too, but he got shorter and he's about my mother's height (165). Weird.
I don't look like either of my parents either. But they say I have the side view look and height of my maternal great-grandfather, and the face of my paternal grandfather
Although I still want to grow tall, nobody in my family wants me to grow taller anymore. But I guess that they are probably jealous of my height. BUAHAHA.