Wouldn't there be different worries? Is this his first child? If not did he do the same with your toddler?

The no sex triggers other problems, like trust, deepens my depression Are you dealing with these issues with a therapist. Have you asked him if you guys can see some one together to help your marriage. I think before you have sex find out what's been going on with him to ease your stress. Are you masturbating? It may help until things are resolved between the two.

Can you get a humidifier (or de-humidifier don't remember which) to help baby?