Suicide, especially with a husband and 13 year-old daughter left behind, is the most selfish and narcissistic act there is.
Prayers for those left behind.
It may seem that way to those collapsed with grief and loss, but it probably doesn't seem that way to the person who does this act. As many suicide notes have indicated, they are convinced they are an embarrassment to, or a a burden upon, those around them and that others will be better off without their overwhelming sadness and self-perceived helplessness.
If there is any disease families and friends need more info about, it is depression, and early intervention for same. This type of depression is not the "pull yourself together" or "snap out of it" kind.