Yes. Exactly. And people with mental health issues may have good and bad times. I posted on this site before that I have bi-polar disorder, am a high functioning person, with kids, who occasionally contemplates suicide - when at my lowest. Depression doesn't mean feeling low or a bit off for some of us, it means not wanting to live. I can go from normal to this state in a matter of days (without being on medication). I love life but it is horrid to go through depressive phases, horrid! I will never take my life because I can now manage my condition in many ways but some people can't and some people don't even have the right diagnosis, let alone resources to best help them.
So many issues here point to suicide sadly, and I am finding it so distasteful people calling the husband a murderer at this stage.