Nothing I have read here has convinced me that my XP will stop 'working' (suddenly or otherwise) next year with the end of MS support.
That there will be a large increase in the frequency and severity of malware attacks I do believe, but looking back at records over the past year none of the previous attacks appear to have been picked up by MS /Defender; all have been either blocked or eliminated by my two antivirus programs running full time on the PC.
If I am wrong I will say so and some posters here can then revel in having been right (and offensive too, but there we are, can't have everything I guess).