You and I

You and I 
I think I know two of you, 
Janus like you meet me in turns, 
And merrily confound my confusions anew ! 
There's one of you now , 
Smiling unconcerned,
And the other am certain, awaits his turn,
Which one , which one? Is the true you?
For One waxes like the moon with my hopes,
And the other wanes each time I despair,
Perhaps you reflect my own concerns?
-Vinny
5/12/15