I'm wondering: why is it that sometimes the idea of committing suicide is hidden so well? Is it out of fear of hospitalization? Or is it maybe to protect your loved ones from pain? Of because of a feeling no one can understand? I'm so puzzled.
First of all, my sincerest condolences for your loss. As one of the older folks here, I find the number of young people here saddening. I don't know if I ever had the privilege of interacting with your daughter, but I always aim to treat them with love as if they were the children I never had.
Your question is a good one. The first thing to say is that I've learned a lot about interacting properly with people in advanced stages of suicidal ideation through my time here. There are 3 things that are usually appropriate.
1) Expressions of suicidal grief are a 'vent', and the response should be supportive and non-judgmental so that the poster has a cathartic release.
2) Suicidal feelings relate to feeling trapped in a grievous situation, and effective practical solutions or coping strategies should be offered as a matter of urgency.
3) A final decision has been made, and they want a virtual deathbed gathering where they can feel at peace in their final hours, surrounded by love and understanding.
As you can imagine, discerning between the 3 is extremely tricky, especially when even the person themselves may not know. The paradox is that stage 3 should be prevented if possible, yet if it happens it should be embraced unreservedly. But engaging in the fine art of supporting people in this manner does expose the total ineptitude of society at large when faced with the same challenge.
Society, particular in our 'social media' age, expects people to feign positivity regardless of circumstances. Expressions of grief may be condemned because "other people have it worse" or "you're only young" or "you're just attention-seeking" or "deal with it like everybody else". In this community, people label such responses as
invalidation. We recognise that it is impossible to understand the perspective of another, so we withhold judgement in that way.
Mainstream approaches can involve therapies of limited effectiveness, humiliating involvement with law enforcement, hospital imprisonment and medications with dubious side-effects. Many such strategies are effective for people in milder states of depression, but some of us fall through the cracks. In a few cases, mainstream medicine has made things far worse.
In summary, nothing can be done now but cherish the memories of your daughter's time on a planet unworthy of her. It is particularly sad knowing she had such an open and understanding mother but didn't feel able to open up. Alas, she is at peace now and we must honour her wishes as such.