Alexi was a young girl who struggled with showing her emotions, so she started using the emoticon :3 to express her happiness in text messages. Her friends noticed and started using it too, and soon everyone was using :3 as a fun and playful way to express their feelings. It helped Alexi feel more comfortable expressing herself and made her feel closer to her friends.

[Time skip]

one day she was texting and was about to reply to somebody using the ":3"