I often see people cycling with nearly flat tyres. It depresses me as a lot of the time it's just poor maintenance or a lack of knowledge.
This morning I leant forward at a junction and addressed the latest flattie. 'I'm terribly sorry but you're back tyre is completely flat' (I'm quite posh and middle class about these things in that I apologise frequently). The lady in question turned round and looked panicked.... and embarrassed. 'Ummmmm, oh yes I see .... ummmm I'm sure it'll be fine ummmm until I get to work'.
Ladies and gentlemen, it was NOT fine, this was a tyre like a pancake and when she pedalled off one could actually see the rim hitting the road. But I knew this was a battle I wasn't going to win. In the face of such blatant denial one must walk away and offer help only when the flattie is willing to accept it.
She was wearing naught but a small handbag in the way of luggage and clearly did not have any kit with her and her abject terror betrayed the fact that she had absolutely no idea what to do.
I offer help to people (mainly damsels) in flattie distress perhaps four times a week. Some don't need it but most won't accept it only because they're in denial about it.
A p******* is not your fault, it could happen to all of us. I have the tools to help you, but only if you'll let me.