Hello John sorry to hear of your loss. I lost my boyfriend on 2/6/2010 he also suffered from depression.He depend on me alot and also only trusted me to do alot of things like taking him to get his medication and food.You can only do so much continously showing them you love them that's not even enough. sometimes when there at there lowest point there nothing noone can do because trust me i did everthing i could to save my kenny. It is good that you want to talk you have found a good place this site is really good very caring people here that are willing to listen.