Since there is no choices, I'm assuming it's an opinionated question. The best way would be to talk to them face to face. Upfront talks are better even if they may be scary or intimidating. Hope this helps!
It is commonly used as a metric of alcohol intoxication for legal or medical purposes
The answer to your question is A,B
Split-brain patients have had surgery to cut the corpus callosum. Such a phenomenon was studied and monitored by two neuroscientists Roger Sperry and Michael Gazzaniga. After hard operation, patients felt quite good although the expectations weren't that good. Patients could perform all the activities they did before surgery, that was very surprising and innovational. But after several experiments, doctors discovered side effects and got back to study this process.
To men, there are acne and breast development, to others it could be life-threatening, like liver cancer or heart attacks.