In English, we say "just because" when there really isn't a particular reason for doing something. "Just because" can be short for "just because I felt like it," or "just because I want to." 

And so I'm giving out a coupon just because :) 
Looking forward to talking with you soon! :D

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Coupon Name: Just Because Coupon! ✩◝(◍⌣̎◍)◜✩
Code: b0504734
Discount Rate: 15%
For Lesson: English Conversation！(ﾉ^ヮ^)ﾉ*:・ﾟ✧
Effective for lessons conducted between: May 26, 2021 ~ Jun 26, 2021
URL: http://cafetalk.com/coupons/detail/?id=2753328&lang=en
(GMT-04:00 DST New York)
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