Lassandra takes a sip of cola. "sweet ... Cold, wet, tingly ... Slightly bitter," she reports. Lassandra is:

In the given case, Lassandra is introspecting.

The examination of one's own feelings and conscious thoughts is known as introspection. The procedure of introspection depends entirely on the observation of one's mental condition, while in spiritual perspective it may signify towards the test of one's soul.

Introspection can be a procedure of examination, healthy self-reflection, and exploration that is good for one's brain and well-being.