Based on the context and the answer, generate a question. 

Context: my wall . Nonetheless , I was doing quite well sticking things to my door , until suddenly today , within the span of a few hours , everything that had been stuck to the doors became un - stuck ! What is the most efficient ( read : reliable ) adhesive which is still compliant with hall policy ? Or will I have to re - stick everything each month ?

Answer:

They need a good sticky substance .



Why is the narrator in the market for an item that gets good recommendations ?