Where do you live again???????????
I know what you mean, but a good white lie is like social graces. They're both talents worth cultivation.
See below. Review and respond

Its always good to get some Native Voice.
BTW, I remembered the principle as expounded by my ex:
I like what you say, but I would disagree. Since you're a Gurl

, that might be Natively Appropriate (I am not being sexist, just Local). If the OP is a man, I would recommend NOT saying you took advice from anyone else, for 2 (Two) reasons:
for one thing, it establishes a social hierarchy of importance in which the person giving the advice accepted is higher on your personal totem pole than the person you are speaking to, and whose advice you did not take (and in fact, rejected); come to think of it, that holds true for both genders in many situations;
second, if there is one really hard and fast rule you can always abide by in situations involving potential social friction and/or excuses for decisions made, or actions taken, it is that Real Men (in a positive construction) do not make excuses for their actions that deflect their own responsibility for the consequences realised. If wrong, they apologise, but they do not dither and minge (as it is seen in a local, admittedly more traditional context).
If right, you get the laurels; if wrong, you takes your lumps.
And, now that I have thought about it for 42 seconds, I propose that as the central moral / ethical principle of Japanese masculinity.
It is the single Litmus Test that separates the Men from the Not So Manly.
J-mee,
If you feel like it, could you run my little Anthropology of Masculinity ideas above by your ___ Loving JMan?
It's always nice to get some feedback.......................