He had red slushie and You had blue.After you make-out for a bit,you pull away and stick your tongue out,asking if it worked,it did but you didn't know. Shaun,in his mind was screaming with happiness because he loved the moment and wanted it to continue,so he lied.

Shaun:Hmmm...Nope. We'll just have to keep trying. ♡♡ (lie)

[PS:Thanks for the followers!!]