Answer:
I am pinched by grandmas
Where I am there is no south, west, nor east, and weather is not fit for man or beast. What am I?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
I row quickly with four oars, but never come out from under my own roof. What am I?
I am the only thing that place today before yesterday. (one word)
No matter how little or how much you use me, you change me every month.