My history has been that I've spent my spare change on stereo reproduction as long as I've had any, since my first paper route at age 10. My wife has heard this and gets that it is a bit sacrosanct! Bless her heart, she agreed way back when (1987?) that "bonuses" were for my playing. I've loved working a business that believes in a significant element of bonusing in one's income....
There was one moment about five years ago when the numbers being spent seemed a bit dizzying to her, and she made noises of wanting to clamp it off. I pointed out two things: we want for nothing, so it isn't really impacting our financial security; and, if she truly were intent on killing something that I take such joy in....well, we might not be made for each other! She laughs about it now, because she does recognize the genuine element of joy in this all for me.