"Mira, what's an "Add in"?

[comfy_sneakers]

ummm.. gotta catch up on my Tennis scoring rules. or my team's gonna have to do some lines if i don't teach em well enough.

love love.. 15.. 30.. deuce.. somethin somethin.. add in .. add out... ahh shake hands. wait shake hands first. spin the racket.

i just dont wanna get CUT. shhhcrap.