Doing something for someone although that person is capable and should be doing it for themselves.
Meeting people's needs without being asked, and before you've agreed to do so.
Saying 'yes' when you mean 'no'.
Consistently giving more than you receive in a particular situation.
Fixing people's feelings.
Doing other people's thinking for them.
Speaking for another person.
Suffering people's consequences for them.
Solving people's problems for them.
Doing more than your fair share of work after your help is requested.
Putting more interest and activity into a joint effort than the other person does.
Not asking for what you need and desire.
Doing something that you really don't want to do, but should in order to lessen your feelings of guilt and worthlessness.