no more than I have to
Not any more than is required of me. Typically said as a response to a question or comment. A: "How much are you going to lend him?" B: "No more than I have to, that's for damn sure." A: "I just worry that you work too much." B: "No more than I have to, Janet. These bills won't pay themselves."
No more than I have to.
an answer to the greeting question "What are you doing?" Bob: Hey, Fred. What you been doing? Fred: No more than I have to. Sue: Hi, Bill. How are you? Bill: Okay. What have you been doing? Sue: No more than I have to.