My Little Callie Kitty is been vary loving and in my face today, lazy and nervous, she is a little over a year old and got out of the house, her tummy is large and her nipples have been pink for about four weeks now. i got her a box and have a quite place for her, but no milk has came from nipples, but her female part is swollen and moist looking.. she has been nesting for the last couple days.. I do not know what is going on this is my first mama kitty ever in my life,, please help