Have you ever organized your house? Did you spend substantial amount of time on analyzing miscellaneous offers from different companies in terms of inter alia living room wallpapers and compared them with the costs related to for example painting the whole room?
When you are a grown-up, plenty of occasions during your whole life, you have many of cases to celebrate. Birthday of the kid, Bar Mitsvah, anniversary. In that situation, many of us like to throw a party.