I have to go/ I must go/ I should go/ I need to go/ I'm going to go

hey everyone!
What is the difference between

I have to go

I must go

I should go

I need to go

I'm going to go

"Check out (something) vs Check (something) out Which one is correct?

"Tho" at the end of sentence "Tho" at the end of  a sentence
what does it mean?

Using "I see" Can I use "I see" in meaning as "I understand you"?

Using "As well" Using "as well" and "as well as" at the begining of phrase or in the end
What does it mean and when can I use it?

Is it correct? Just let you know. A new month has begun and I can download videos again! I can't wait to get out of the hospital and try out "Groups of 5" on my drum set

Different ways to say "how are you" Hey there! Tell me Different ways to say "how are you?" I know these: How are you doing? What's up?

Cooking I like cooking. I think it's like a form of art when you take different things: meat, vegetables and other stuff and create something unique, beautiful and tasty. Actually I don't do it often but I really love to do it. Do you like cooking? What's you favorite meal?