と同様のハッシュタグ #happy
ハッシュタグを投稿に入れるか、投稿の下の最初のコメントとして。
#happy #happybirthday #happyhour #behappy #happyfriday #happyholidays #happynewyear #happyplace #thehappynow #happymothersday #happymonday #happyfathersday #happylife #happysunday #happyhalloween #happygirl #happydog #myhappyplace #happy4th #happysaturday #happyday #runhappy #happy4thofjuly #happybirthdaytome #happyhumpday #happytime #happyanniversary #plantsmakepeoplehappy #instahappy #happytuesday