"I'm too big"

We have a new saying around our house. For anything Samantha doesn't want to do she tells me "No Momma, I'm too big." The first time she said it I came in her room to ask her why she wasn't taking a nap and she tells me "I can't Momma, I'm too big." I literally fell over laughing and she began giggling as well because she was quite proud that she had made her Mommy laugh. And I laughed so much that I of course didn't make her take a nap because her wit had amused me. Well now she is saying it for everything. I will ask Sam "do you want breakfast, do you need to go potty, etc... and the response is the same "I'm too big." There also seems to be some confusion/trickery on her part if I try to tell her that she can't do something because she is too big(like sit in her doll stoller). She immediately starts telling me "oh no Momma I not too big, I Sam, I the big sister." Where does she come up with this stuff? She cracks us up.....

Also, Miss Alexandra is officially saying 2 words. She says "hi" and "Da Da." As much as I coached her to say Momma first she is laying the "Dada Dada" on pretty thick! Does he feed her, bathe her, change her??? Not near enough to deserve the first word! Am I jealous?? Maybe just a little... :)