The happiness that may emerge from taking a second look is central to Proust's therapeutic conception. It reveals the extent to which our dissatisfactions may be the result of failing to look properly at our lives rather than the result of anything inherently deficient about them.
If I go to the National Gallery and I look at one of the great paintings that excite me there, it's not so much the painting that excites me as that the painting unlocks all kinds of valves of sensation within me which return me to life more violently.
It often happens that we blurt out things that may in some kind of way be harmful to us, but we are silent about things that may make us look ridiculous; because in this case effect follows very quickly on cause.