Sweet nothings
Definition 1 of 1
Pro Tip 1/3Emotional Connection
The phrase conveys intimacy and is often used privately between couples to show affection. 
They sat in the candlelight, exchanging sweet nothings.
Pro Tip 2/3Not Substantial
'Sweet nothings' often imply that the words themselves hold little meaning or depth, but the emotion behind them is genuine. 
Even though he whispered sweet nothings, she felt the sincerity in his voice.
Pro Tip 3/3Private Moments
Used in situations where couples share personal, close-knit moments; not usually in public settings. 
During their walk on the beach, they shared sweet nothings away from the crowd.