You can drive yourself crazy deciding whether to marry your partner.
Can you two really survive a lifetime together?
I mean, you adore them ... but they constantly leave hair in the shower. They tell the worst jokes ... but they're always there to comfort you after a hard day.
Perhaps it would help to turn to the scientific research, which has pinpointed specific factors that can make or break a romantic relationship.
Below, we've rounded up 15 non-trivial things you might want to keep in mind before hiring a wedding planner.