You might assume the honeymoon phase is just nature's way of making romance exciting. That's partially true. During this stage, your body is flooded with dopamine, oxytocin, and serotonin—the neurochemicals responsible for pleasure and reinforcing bonding.
"Avoidant attached people tend to disengage and withdraw from their partners while anxiously attached people are almost always seeking reassurance about their relationship, even on social media," Chappell Marsh said.