In Ayn Rand's Anthem, what elements in the new home in the Uncharted Forest bring the couple pride?

The sense of pride can be inferred as Equality 7-2521
explains how he and The Golden One found the house. They were walking along and saw the
sun reflecting off of its windows.  They first thought it was fire. After climbing up to
the house from the Unmentionable Times, they discovered the windows and were amazed at
how much light came through them. With that sunlight shining through the windows, the
couple was able to see colors on the tapestries and furniture. They were amazed at the
twelve "sleeping hall[s]", the mirrors that showed them what they looked like, the soft
fabric they felt, and the cooking room that had a copper pot to cook food in (92). The
he vows never to share his house with anyone else, which shows him using his sense of
ownership that also helps to identify himself and to separate himself from others. This
sense of ownership usually comes with a sense of pride for something that one
owns.