How To Keep Up With Your Sibling’s Height

The most obvious difference we see in these images is the height reversal of the siblings. The three sisters suddenly seemed to have become triplets while the brother grew the tallest. It’s no secret that boys begin growing pretty much later than most girls.

According to BBC, the guys’ growth spurt arrives toward the end of the puberty phase, which means that they face a slight delay. They also face an increase in the production of testosterone hormone, which is responsible for cell growth all over the body. This explains the muscle and bone developments that they undergo in a short amount of time.