When I was single and dating—a divorced adult with a child and more than one serially monogamous relationship in my backpack—the word baggage was often used.
Baggage: past experiences or long-held ideas regarded as burdens and impediments.
Burdens and impediments.
Not exactly a super-hero word in the world of adult dating. The sentence used to illustrate the word—the emotional baggage I’m hauling around—conjures up Pig-Pen from the Peanuts comic strip; the dirt and dust trailing behind him his emotional baggage.