People sinking into self-pity and depression are dreary, but they can't get out of it by themselves. So every now and then, just sit there and listen, and listen, and listen. You're paying your membership dues in the human race.
I have written millions of words about contemporary England - in journalism. Why don't I take it as the background for a novel? I may do one day. But the simple answer is that it does not excite the novelistic part of my brain; it does not fire it up.