Then defend the pawn.
https://www.newinchess.com/media/wysiwyg/product_pdf/7790.pdfhttp://www.chessgames.com/perl/chessgame?gid=1339053
No big deal- you have plenty of compensation after 1.e4 e5 2.Qh5 Nf6 3.Qxe5+ Be7 followed by castling.