For me, personally, Romeo's love never seemed real, especially if you take into consideration that Romeo and Juliet knew each other for about a month, or so. You cannot start loving someone in such a short period of time, especially given that Romeo is like 18, and Juliet 14.
Compared to modern ideas of love, their love is much more romanticized, it no longer exists (if it ever did), and it seems quite unreal.
B, It's two independent clauses tied together using a conjunction.
This is imagery. The example probably means the girl is doubting herself.
