Your partner should get ready to have the metaphorical rug they stand on in their life shaken up -- or even yanked out from under them! And the same could happen to you, being involved with them. This isn't necessarily a traumatic experience, but it is a very noticeable change from the way you're both used to doing things.
You introduce your partner to brand-new ways of thinking and being, and they introduce you to new people -- people that change your life in some way. Maybe it's a social circle that you were never aware of before, and entering this relationship suddenly presents a whole new group of friends who are strange, indeed! Your partner wants you to get along with their friends, as well as develop the friendship between the two of you. In fact, the unpredictable nature of this relationship might mean that your friendship is the best thing you can possibly count on between you, because everything else -- commitment, intimacy -- is elusive at best! You have a lot of fun and exciting experiences together, and you stimulate each other enormously, but don't expect any kind of regularity or longevity to your bond. With an aspect like this between you, you just can't count on much except that unpredictability. Hey -- at least it isn't boring!