A bit of realistic optimism costs nothing, improves the morale of your fellow soldiers, and adds nothing to the enemy's stockpile of gloating.
And it's not personal FRiend, as there's a hundred of you on here right now spreading the same defeatist 'concern'.
If you're proven right, then is the time for dishing out the crow.
In the meantime, try seeing that glass as half full, ehh ?
/.02
and no, i'm no f'n pollyanna .. ask around