It will only turn into a mametchi if you are continually nice to it (such as giving it food if its hungry etc.) but still, I cant be 100% sure it will turn into a mametchi if your really nice to it.
[SIZE=14pt] I Am Not Really That Sure, But I Think That If You Take A Good Care Of It Then It Could Turn Into A Mametchi, Still I Am Not Sure. :furawatchi: [/SIZE]
If you are pretty nice to your young mametchi there is probably an 80% chance of it turning into a mametchi. And next time if you post Tamaprincess27, could you try to keep your letters a little smaller please? it gets kind of distracting.