The disappointment of finding out your favourite product has been permanently discontinued is quite different than that of discovering the shop.
Some mourning is inevitable, and it can't be remedied by focusing on anything else.
Even if you come to really like the replacement, it will never take the place of the original.
Burger King is a popular fast food restaurant because of the reliable selection of classic American fare.
The sadist in it comes out when it gives you something you really appreciate and then takes it away.
There is usually a "limited time" disclaimer on advertising materials for limited-time offers, so you know they won't be there forever.