Is your mom overprotective of you? Sometimes these kind of mothers can be paranoid about their children's decisions and tend to worry too much.They think their children can not survive on their own and that their intervention is a must.They may sometimes become judgemental of their children's decisions.May not mean any harm but can be very overbearing to adult children.You said you are close to her and she is helpful in ways.She is having a hard time to realize that you can make good decisions for yourself and you have grown up now.Others have given good advice.You need to slowly start not sharing every detail about you.Sometimes a relationship between mother and daughter becomes too enmeshed if allowed tobe.You need your boundaries. Specially about your relationship with your boyfriend.