So you either did something wrong or did not do it. And you can either try to correct your possible mistake or not try. If you try and it turns out you haven't made that mistake then you lose; if you try and you made it you win. If you don't try and you made the mistake you lose, if don't try and you did not make it you win. So you have a 50% chance, no matter which option you choose. But you say that waiting a few days and than apologising isn't an option and also that you can't help but wait a few days. Than the only thing you can do is to be passive. And meanwhile you may try to think of other solutions. I don't know, from what i got out of your post i think this would be the best. There is a podcast in the audio section called 'Solving frustrating problems', there was advice in it about what to do when you have a problem and all the solutions you can think of are not good enough. here it is:
StevePavlina.com Podcast #007 – Solving Frustrating Problems