Until it is no longer necessary. I do not know, and no one does, how long my vaccination is effective for. I look forward to a booster in a few months.
10 minutes a day of wearing a mask is no big imposition for me. I also wear seat belts, get vaccinated, insure my car, wash, contribute to the NHS, submit to security checks at airports like everyone else.
Shortly the Nodster will start chemo and will have to avoid all risk of infection. My cancer treatment was stopped because of risk of infection and can never resume. One can think of others not far from here who are enduring chemo and may also be at risk.