Film dates are fantastic. Although it appears dull on paper, it is actually very fun, useful, and simple.
Purchase some supplies at the supermarket, then prepare dinner with your date.
This is comparable to viewing a film or television show. You can find a new series and binge-watch it with a friend if you both enjoy the same kind of anime, such as isekai or romance.
Reading together in the comfort of one's own home is one of the coziest activities for introverted couples.
This is based on my own experience as an introvert; gardening is a wonderful hobby that introverts would really appreciate.
Pick your medium for artistic expression; popular options include acrylic, oil, and watercolor.