Yes, there are lots of places to spend money at the mall, but in addition to all the shopping, there are always a bunch of free things to do.
Walk around and check out the cool store displays and booths, hit up the food court for a cheap snack, and check out some of the fun games and entertainment going on outside the stores.
You could gaze at the stars from a field, or you could go to an observatory to do serious stargazing.
And if it goes well, pick a book for him to read and have him pick one for you. Find something to refurbish, and meet later to do it together. Even if you don't follow through on drinks, you'll still have a new '80s windbreaker.
Besides all the browsing, antique shopping comes with a built-in second date. Go to a thrift store and pick outfits to wear out for a drink.
Get some thrift store tennis rackets and go to your city’s free courts 30.
Go to an antique store and talk about the past lives of old objects 29.