Oops, it doesn't look like 'my pace day' is a national day..

Other days

slime

Slime Day
buddy

Buddy Day
gum

Gum Day
cuddle up

Cuddle Up Day
embarrass your best friend

Embarrass Your Best Friend Day
boy friend

Boy Friend Day
boba

Boba Day
bubble bath

Bubble Bath Day
believe

Believe Day
pampering

Pampering Day