Answer the question about text:

ARGH . She said I should never have been put on beta blockers , let alone 80 mg of the bastards and I have to be slowly weaned off them . I wanted to argue , but I thought I 'd get in trouble if I told her I 'd not got around to renewing my prescription so had n't taken any for nearly 2 weeks so I kept schtum .

Why is the narrator taking less of the item ?
Their done with drugs .