Feeling a bit shy

Shy
adj., Easily startled; timid.
intr.v., To draw back, as from fear or caution; recoil.
Synonims: shy, bashful, diffident, modest, coy, demure.
These adjectives mean not forward but marked by a retiring nature, reticence, or a reserve of manner. One who is shy draws back from others, either because of a withdrawn nature or out of timidity.