My sister says if u wanna get flexible u have to strech when only ur little?

is this true cant i strech immediately and gain flexible ?
Answers:

You can still find flexible. Just stretch (slowly) and hold it for a count of ten. You will awareness you are competent to stretch a moment or two further respectively time. Just listen to your body and don't stir too far.

Painful sex?

yes you can but it will be harder, in kids the joint are more pliable and the muscles are much looser, so yes if you stretch from a childlike age and verbs to do so you will be extremely flexible, but it can also be developed within elder relatives through things approaching yoga and caper