How to Play against the Italian Game as Black with 4. 0-0

What should you do as Black if White castles on move 4 in the Italian Game, leaving the e5 pawn up for grabs? Should you break chess principles by pawn grabb

The correct openings aren't showing up - Chess Forums

Italian Game (How To Play It, How To Counter It, And It's Theory)

Play 1e5 with Black: Complete Guide - TheChessWorld

Master the Italian Game Opening

Rousseau Gambit: Opening Guide for White & Black

Play the Open Games as Black by Emms, John

Powerful Chess Gambits for Beginners to Try

Play the Open Games as Black by Emms, John

Hidden line in the Italian Game Crushing Chess Opening for White

Tactical 1.e4: Why is It Perfect for Attacking Players

Chess : Black Won in 17 Moves - Italian Game

I am reading “Logical Chess Move by Move” by I. Chernev, and can't