As one who frequently suffers suicidal thoughts and self harms, that sounds like good advice. However, another somewhat long winded experience of mine... (maybe 'tis 'blog time', but not just yet - this is OT and relevant). Around Xmas, I had reached a 'new low' and all this year had been planning to depart this world once and for all. I did not however wish to leave in a state of gloom and misery, wanted to go on a 'high note', afeter (preferably) one last, MDMA - at least - fuelled rave, to 'touch base' for the last time. Being inactive and not too anxious to die, I didn't seek out such an event, just trusted in fate to patiently wait...
It never turned up, but what did had a most spectacular effect. A new aquaintance offered me, in my local pub of all places, a strange looking wrap of something I'd never heard of, and being the careful, resposible and sensible suicidal fellow I am, I thought 'why not', and crunched the revoltingly bitter thing without a second thought. Before anything happened at all, I remember thinking 'this is strong stuff!' just from the taste. Having had no psychedelics at all for several years, I wasn't unprepared, but was utterly knocked sideways, by something I had never quite known before - hints of acid, mushrooms, speed, but something entirely 'new' at times, not just 'another place', but several it seemed. Can't say I enjoyed it, a bit much, I initaially thought it was Ketamine, but in fact is was mephedrone... my respect for these 'research chemicals' went up no end!
Far too smashed to stay in the pub, I went home, and found my speech badly affected... greeted witha stern "What have you taken?!", repeated several times as I futilely tried to reply, interrupted by gales of insane laughter - hint here, don't try to explain the 'new state', just say something simple like "er... acid" or "um mushrooms I think?" - far easier. It wore off fairly fast... then I discovered my depression had lifted, all the next day! And at last I had the energy and opportunity to get some whizz, and keep it at bay all week.
I would certainly NOT recommend such drastic, dangerous 'therapy' to anyone wishing to shake depression, I was just lucky, and it was the right time for me. I certainly CAN'T see NICE or the BMA approving of my actions and choice either, but what do those cretins know about drugs?