I sense some sarcasm from you Leto, if I'm right then, I have to tell you it is pretty realistic, at least from my own experience, I haven't had a proper sleep nor meal in almost 3 years now, but one look at the cause of that bring back smile on the face. That moodlet last much longer in RL, and I definitely don't have family oriented trait.
Back on topic, another favorite moodlet is Slept like king/queen/prince/princess from Sultan Tabernacle, but it is not that easy to get that tent.
Reading the masterpiece is also rare but great one, and I often sent them to see game/concert/movie. Cheap available longlasting moodlet plus having a blast! There are many others that are rare but great such as first romance, kiss, and wedding related ones.