Once. I had somebody on here be like "

well if 19 years on this earth is really as much as you can stand then go ahead" (paraphrasing) and I wanted to throw something. Fucking hate that sort of mindset. I've been a legal adult for over a year, don't talk down to me and act like wanting to end my pain is just teenage angst as if I haven't been depressed and discontent for the majority of my life
Anywho- taking unnecessary risks to CTB or attempting unreliable methods is a sign of stupidity and/or impulsivity, not being more serious. It's like the difference between second and first degree murder.
Most efforts to prevent suicide focus on why people take their lives. But as we understand more about who attempts suicide
www.hsph.harvard.edu
9/10 people who attempt and fail do not attempt again. Are those 9/10 who presumably used less surefire methods "more serious"? Of course not. Most of them attempted during a highly emotional period almost entirely on impulse (I believe statistics say that 75% of survivors attempted within an hour of first ideation) and went with whatever method was most readily available regardless of efficacy out of desperation. That's just an emotional breakdown; they're only "serious" about stopping how they feel in that bad moment, they don't actually want to die.
Someone who waits patiently for weeks, months, or years, carefully planning their own death and ensuring that it'll be certain like yourself is much, much more serious. Don't let anyone bullshit you and say otherwise.