Hello Redlightening,
Good for you for taking everyone's advise. I agree, it's NOT your fault and you need to stop blaming yourself. I've been depressed and know how you feel because you know there is no reason for your depression and yet here you are depressed. That is how it was for me. It is a chemical imbalance. Things will get better.
Maybe you can suggest to your pdoc about trying a different combination of medications for a bit? My pdoc added a mood stabilizer along with my antidepressant to help kick things up for me. They say that mixing these two type of drugs together helps alot. Just a suggestion.
Also, you are very lucky to have a supporting husband. Have either of you two discussed see seperate therapists? I know for me it was key to see one. They can lead you onto first steps to take to help with getting out of a depression. It will help your husband to for him to get his support as well through all of this. It can be very draining on him as well.
I did learn that I really needed to be proactive in my depression and not expect the medication to do all the work. That won't work alone.
Can you make a daily list of things you can do daily no matter how small it is? I mean like, organizing 1 drawer, cleaning one room at a time even if it is just dusting it? Taking a ride to a mall to just look/browse around without buying anything? Just getting outside for a walk even for a bit?
Anything small that will help you get out of your comfort zone or normal routine. Maybe baking a batch of cookies?
Every little bit helps. The list will grow in time so don't worry about how small it is. One accomplishment a day is a huge accomplishment.
Maybe you can plan on what you will do for the weekend ahead of time. This way you have a plan to try to stick to. Something on paper that you will see and try to strive for.
Collect some positive affirmations for yourself and post these little notes where you will see them daily and repeat them often to yourself. I am a good person, I am worth getting better, I am a good artist, etc.
Best wishes. Hope some of these ideas help.