Yes, I would agree about the SDS. It makes sense...so does "Get A Life".
That happens when you put everything you have into one person, which is dangerous, expecting that they validate your existence, when in actuality, only you can do that for yourself.
I've attended a lot of weddings and when each person holds a candle and then together light the larger one - I usually say to myself, please don't forget you are both individuals that love each other, but have your own brains.