I can totally help you out! Hahah, i'd love to make sure no one suffers the same fate i did ... Anyways! Long story short, if you're out for Andronikos, follow this one simple step.
1.) Pretty much agree with him on everything, seriously. Avoid losing any affection. BUT MOST OF ALL! And I say this with the utmost sincerity. Never, ever, ever try sarcasm with him. It doesn't work. That's where I lost him, when my SI jokingly told him to shutup and stop being sensitive--- he pretty much dropped all flirts / outside conversation with me.
No option for forgiveness / rebuilding. Nothing =/