2Co_5:13 For whether we be beside ourselves, it is to God: or whether we be sober, it is for your cause.
1Th_5:6 Therefore let us not sleep, as do others; but let us watch and be sober.
1Th_5:8 But let us, who are of the day, be sober, putting on the breastplate of faith and love; and for an helmet, the hope of salvation.
1Ti_3:2 A bishop then must be blameless, the husband of one wife, vigilant, sober, of good behaviour, given to hospitality, apt to teach;
1Ti_3:11 Even so must their wives be grave, not slanderers, sober, faithful in all things.
Tit_1:8 But a lover of hospitality, a lover of good men, sober, just, holy, temperate;
Tit_2:2 That the aged men be sober, grave, temperate, sound in faith, in charity, in patience.
Tit_2:4 That they may teach the young women to be sober, to love their husbands, to love their children,
Tit_2:6 Young men likewise exhort to be sober minded.
1Pe_1:13 Wherefore gird up the loins of your mind, be sober, and hope to the end for the grace that is to be brought unto you at the revelation of Jesus Christ;
1Pe_4:7 But the end of all things is at hand: be ye therefore sober, and watch unto prayer.
1Pe_5:8 Be sober, be vigilant; because your adversary the devil, as a roaring lion, walketh about, seeking whom he may devour:
My experience with marijuana is neither broad nor deep, but I've known enough people to whom it has been to know that the "failure to get high" is not the desired effect.
Be not drunk with wine (nor high on marijuana) but be filled with Holy Spirit.
Whatever benefits we might allege as young people (true, or simply as justification) can really only be seen in hindsight...even if that hindsight occurs the next morning. I "learned" everything I needed to know about and from being high the first time. Decades later, I still have enough sense memory to "relive" those moments without "reliving" those experiences, should the need arise. Time to move on. It was what it was. But now is a new adventure, and one to be faced soberly.
We're all going to do what we do until we don't any more. If it's good (and sobriety is) than better sooner than later.