My question is the following:
If a mentally and physically healthy person considers his/her life as meaningless and worthless, would that constitute a rational reason for him/her to commit a suicide.
Thank you for your question, which in spite of its brevity brings up a lot of hard issues. I won't try to answer it directly, but just add a few considerations: 1. Considering one's life to be meaningless doesn't show that it is. It may contain sources of meaning that one has not yet appreciated or even conceived of. Also, a person's like may have little meaning to *her*, but a lot of meaning to others, such as parents, friends, etc. In that case, it may have more meaning than one thinks. 2. Meaning can take a lot of different forms. People often wonder about "the" meaning of life, and this suggests that for a life to be meaningful, there has to be one big thing that is its meaning. But this is questionable. After all, in principle there could be a lot of different things that give life meaning, and they might not be intertranslatable into each other of commensurable. A walk in a forest on a crisp fall day, holding a lover's hand, appreciating a novel, having a child, all...