After your proposal, there are plenty of romantic things to do in Paris. One of the most romantic things to do is to watch the sunset from the top of the Eiffel Tower. You can also take a romantic stroll through Montmartre, a picturesque neighborhood known for its artists and cafes. For a more intimate experience, you can book a private tour of the city or enjoy a wine tasting at a local vineyard. No matter what you choose to do, Paris is full of romantic experiences that will make your engagement unforgettable.