I have spent time with my sisters children her youngest is now six I have been with him since he was a baby. I helped out my sister during a difficult time with her three children in the last of 2003 and into 2004. In 2006 my sisters marriage ended in divorce 6 months before that my sister wanted me to not be in the kitchen when her children were having their breakfast before school I moved out but when the divorce happened was going to my sisters again and helping out with her kids and home. Now when her youngest the six year old is almost seven my sister is going to start limiting the time I spend with her kids. When she is gone and possibly when she goes on trips. Is there anything I can do legally to stop my sister from more or less cutting me out of her childrens lives?