I know you meant well, and I mean as well too. I'm just doing
exactly as Government advised.
My sister works at UCL hospital and is tending to ventilated patients right now. I asked her advice before she came, and she told me as per Ministry of Health, my requirement was work from home and
isolation/distancing as other's UNTIL I noticed any symptoms, and then strict quarantine. I've read the website after I landed.
Forgive me for only listening/reading to official sources and not a person from internet who thinks he is a pigeon