my dd is only 16months, but all i seem to do is say no to her, she doesnt listen, just smiles and carries on! its little things like opening cupboards etc, nothing major but its driving me mad, when removed tantrum takes over, which i do ignore. i was thinking maybe saying no twice, removing her, then if she returns or tanturums putting her in a travel cot. what do you think, or is she just too young to start time out?