This may sound like a contradiction in terms, but if you will think about it, guilt can often add a fillip to the senses. Adults would do well to take a lesson from children: children often take great delight in doing something they know they are not supposed to.
I know this very well. Video games get so much more appealing when I have some work to avoid.
It could also be a selection effect -- if you're doing something even though you're not supposed to, it must be something you really like.
Similarly, unhealthy food tastes good because substances that are neither healthy nor tasty aren't classified as food.
This is our monthly thread for collecting these little gems and pearls of wisdom, rationality-related quotes you've seen recently, or had stored in your quotesfile for ages, and which might be handy to link to in one of our discussions.