People who are truly happy have their ups and downs. ... This can be an attempt to mask their inner turmoil. ... Those who are outwardly happy but inwardly sad often withdraw from social interactions.

New research states emojis often mask negative emotions 02:27. PHILADELPHIA (CBS) -- We use emojis all the time in text messages or emails. A smiley face, a face laughing with tears or a sad face ...

Researchers studied the emoji interactions of more than 1,200 volunteers and found happy emojis were often used to mask negative emotions to make a message seem more positive, CBS News reports.