It may take you a couple of weeks for your heart to catch up to your mind when it comes to relationships. December opens with the energetic Sagittarius Sun in your 7th House of Partners. This is usually favorable for attracting outgoing people and being willing to try new experiences.
On December 10 your brainy ruling planet Mercury also enters Sagittarius, increasing opportunities to add more joy to a current partnership or in the pursuit of a new one. But there's a straggler in the form of the love planet Venus, which is brooding in intense Scorpio until December 15. She's in your 6th House of Details, perhaps holding you back with worry, guilt or resentment. It's healthy to review old romantic patterns so that you can learn from them. However, if you find yourself stewing over the same issues or struggling with someone who won't let go of the past, don't spend too much time with it.
The New Moon in Sagittarius on December 13 signals a fresh start in your relationship life, which gets another boost when amorous Venus enters this enthusiastic sign on December 15. Then you'll be ready for anything, which is a great deal of fun but not always sensible.
Exploring new places and experiences is fine as long as you don't make any commitments that you're not sure you can keep. Optimism on your part or by another person, though, can leap past logic and possibly lead to disappointment. A clearer picture about the deeper side of partnerships starts to emerge when the Sun enters serious Capricorn on December 21.