Other ways to say hello

Here are some common ways to say hello and how to reply back to someone. 

1. what's up

( I'm good and you)

( not to much and you)

( just the usual )

( life)

( just catching up on something)

2. how's it going > how's it going so far

( so far so good)

( can't complain)

( I'm maintaining)

(could be better and could be worse too)

( as usual)

( ok)