1. Timid - Lacking in self-assurance, courage, or bravery; easily alarmed; timorous; shy. Characterized by or fear.
As the timid teen walks in void-like hallways he didn't know he is being watch.

2. Optimism - A disposition or trendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.
Lily Bell is always in a optimism mood once it comes to books.
3.Profound - Penetrating or entering deeply into subjects of thought or knowledge; having deep insight or understanding.

4.Essence -
thebasic,real,andinvariablenature ofa

5.Indulge -