Sometimes halitosis is due to a reduced flow of saliva; when the tongue is drier, the unpleasant bacteria gain an advantage over the friendly types.
Fortunately you have prepared and scheduled a fake incoming call from you dating app.
I have great sympathy for your story - this symptom has obviously had a large impact on your life. Persistent unpleasant breath - halitosis - is an incredibly common problem.
More than 80 per cent of cases are caused by conditions in the mouth - and are most often due to the bacteria between the gums and teeth fermenting food particles.
I've had the problem for many years and constantly eat mints or chew gum, though this doesn't help for long.
I've been treated for fungal tongue with tablets and mouthwash, but these didn't help either.