You did it...

You hold your bottle by yourself, ya, you did it with your own hands.
You were able to do this a while back but only for a very short while but tonight, you were holding the bottle and sucked on it for a long time like you finally know how it works.
Great! So mommy don't have to hold it for you anymore plus you have better control if you were to hold it for yourself.
Way to go kiddo...