VSP6 They might not need me

Unknown, Public domain, via Wikimedia Commons

Daguerreotype of the poet Emily Dickinson, taken c 1848. (Restored version.) From the Todd-Bingham Picture Collection and Family Papers, 

Yale University Manuscripts & Archives Digital Images Database, Yale University, New Haven, Connecticut.

They might not need me but; they might.
I'll let my Head be just in sight;
A smile as small as mine might be
Precisely their necessity.

Emily Dickinson