This is hardly a fun, frivolous affair, and most likely it never was -- you two got pretty serious, pretty fast! If you have a problem to solve or a project to work on, together you can give it a much more concentrated effort than you might on your own. You've probably come to depend on your lover's point of view, because they give you such solid, practical advice.
This aspect could have a bit of a difficult side to it, as well; if you aren't used to being thorough in your thinking, you may be challenged to think things through in a much more careful way. Your lover likes to point out the weak points in your logic, and they require every idea you present to them to be solid, with ample proof backing it up. Does this get tiresome at times? Yes. But it can help you develop mental skills that you'll be using in other areas of your life. On the other hand, it's possible that this relationship can end up having a stifling effect on your more high-flying, unique and creative ideas. There is a general sense between you that you shouldn't spend time on anything that's not perfectly practical. Don't expect many flights of fancy in your conversations. Whether this aspect turns out to have an overall positive or negative effect will be influenced by the other aspects between you.