"drugs would affect academic performance and basically lower my IQ" That is not irrational, but very real. Not from taken once or twice, but from excess. Same

"drugs would affect academic performance and basically lower my IQ" That is not irrational, but very real. Not from taken once or twice, but from excess. Same with alcohol, though. "the main thing I should have been scared of is my first year of driving a car, statistically" And the statistics of those doing excessive drugs while driving are considerably worse.