Omg i dont know what to do

Harley

Ok so I have a 4 year old she never listen to me for nun but with her dad it's different this shit drived me crazy I can't do nun she acts a fool at doc's appointment and I also have a 7th month old and my 4 yr old makes thinks harder then it has to idk what to do what will work for her to behave or what ushould do for discipline that she will get I'm the boss and she also need to behave when she is with me ....