You are taking a vacation in Italy in December and calculate that the expense in Euros will be €900 (you will pay once you arrive in Italy). The exchange rate today is 0.76 Euros per US Dollar.
Would you be happy or sad if the exchange rate in December changes to 0.95 Euros per US Dollar? (in other words, is your vacation now going to be more expensive or less expensive? – You earn your salary in US Dollars)