I don’t think drinking in mixed company is wrong, if it’s a public event - say a wedding or some other party, where there are chaperones and such. I also don’t think that an increase in flirtation is wrong, because flirtations aren’t sinful necessarily (obviously taking about single people here).
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Drinking requires one to be on-guard for their own personal defects, whether it’s done alone or socially, whether with same sex or opposite. I don’t think there’s any hard rules other than avoid proximate occasions of sin, which applies when drinking or not. As the Greeks said “know thyself”. A lot of this is based on the person.
Since you have not answered whether these are just theories of yours or if you actually have daughters that you practiced this on. I have to assume that you do not have daughters.
So for the benefit of those with daughters, if they flashed me back to when I was 25 to 45 you have your adversary, a single, successful, athletic, handsome man. Here is how I would approach the "protection plan" above:
Chaperones? (I think he just said that because I had a thread on CI on chaperones.) There is no such thing, unless you mean the father and or mother were there with her, keeping a close eye on her. For if you mean the parents of the girl giving the party or a girl friend as a chaperone, they are not going to watch much of anything. They are not going to see how much your daughter is drinking and if they notice that I an talking to her, they will think it is great, since I they thinks I am "
a single, successful, handsome and athletic man", a great catch. (For Pax Vobis - By the way, a real father who knows the world and men, would never say that "I don’t think that an increase in flirtation is wrong, because flirtations aren’t sinful necessarily (obviously taking about single people here)". Flirting always leads to bad consequences. A smart young man will stretch that flirting by not responding in the least till the flirt has put herself in a position of no return. )Now regarding:Drinking requires one to be on-guard for their own personal defects, whether it’s done alone or socially, whether with same sex or opposite. I don’t think there’s any hard rules other than avoid proximate occasions of sin, which applies when drinking or not. As the Greeks said “know thyself”. A lot of this is based on the person.
The book "Spiritual Combat" written in like 1600, says that for all sins one should learn to defeat them by actual practice, like if one has a bad temper, they should practice being patience around the sources that set them off. They use the same technique for all sins, EXCEPT ONE, sins of the flesh, where they say to run away from them without any hesitation! Your advice goes against the advice in Spiritual Combat about sins of the flesh.
Your advice does not work because of man's fallen nature.