My husband is a great guy. People love him, he is a supportive husband, good dad, all around fantastic person. he also has an autoimmune disorder that leaves him wracked with pain multiple times a day. He was diagnosed several years ago, and it seems to be getting worse and worse. He no longer can work full time. He does some consulting where he'll go in the office maybe 2-3 hours a day, but that is physically all he can handle. He also can't help as much around the house anymore, so I am working more hours and doing most everything for the kids and house. On these points, I am fine. I know that he is physically unable to do much more than he already is and overextending himself just makes things worse for him for days to come.

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The point where I wonder if IATA is that he really feels alone in his pain and wants to share how he is feeling. So in a normal 8 hour workday I will probably get 2-3 calls and another 5 texts where he says things like, "having such a rough day, I feel awful. So much pain!". I try to be sympathetic, but I don't know what I can do. I am swamped with everything life is throwing at me, that I don't have time to drop everything and chat with him each time. 

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He gets frustrated when I send back generic, "I'm really sorry babe" texts and says that I don't take his condition seriously. I feel I do take it seriously, I do care about him. I know that he lives with this constantly, but there is nothing I can do in the immediate to make it better and feel like a total asshole asking him to please quit texting me that he feels so bad. So, AITA?