@Accy cyclist I understand your concern but truly believe you are worrying about nothing. I survived a heart attack five years ago and a brain haemorrhage in January 2019 - the consultant told my wife after 10.5 hours surgery "let's see if he wakes up." I recovered from the haemorrhage in four months, the norm for a man of 65 is eighteen months. On both occasions I returned to full fitness very quickly and the medical staff were very clear it was my underlying fitness which saved my life. After the heart attack I didn't ride for five months, the haemorrhage three months. Today I am fitter than I have been in 30 years.
My point is this. You have kept yourself fit for 32 years and a few weeks or months of little or no exercise will not have a major impact. Yes you might put on weight, yes you might lose a bit of fitness but nothing life-threatening will happen to you. Your basic fitness will look after you now and through the rest of your life. We people who exercise are in the top 17% of the population, we are a way ahead of the rest. Don't worry.
I'd stop drinking the beer though as this will give you weight gain very quickly!