What does “mad tight” mean?

Should not put "that" after "And"?

You can put "that" after "and." The speaker has chosen to omit it here, but "and that Tigress is flammable" and "and Tigress is flammable" both work well here. Ex: I learned today an ostrich's eye is bigger than its brain. Ex: I learned today that an ostrich's eye is bigger than its brain.

What does "overhaul" mean? Does it mean to reorganize something? Could you give me some examples?

"Overhaul" means to redo, start again, or repair something. In this case, it means to redo and create a completely new menu. Ex: They overhauled the restaurant interior! It looks so amazing now. Ex: I sent the ice cream machine in to be overhauled. Ex: They did a complete overhaul with the operating system. I have to learn how to use it again!

What's the difference to say between "made from" and "made of"?

Good question! "Made of" implies the basic materials or qualities of something, whereas "made from" is used when talking about how it was manufactured. Ex: The wardrobe is made of oak. Ex: My shirt is made from recycled plastic.

What does "come at someone" mean?

"Come at me bro" is a slang phrase used to indicate confidence in oneself. This phrase also expresses that if someone tried to fight, or argue with you about something, you would be ready to fight or argue back. It is used to defend yourself when facing opposition towards something or when feeling powerful or confident about something. Ex: You wanna fight? Come at me bro. Ex: That's right, I drive a Ferrari. Come at me bro.

What's "sustained" mean here?

Here, "sustained" is similar to "supported." It isn't common to use "sustained" in this manner, as it sounds a bit formal and unnatural. But, he's saying that he has been supported emotionally, physically, and mentally by his friends, which has enabled him to "keep going" and do what he wants to do. Ex: The energy drink I had earlier sustained me through the marathon. => It kept the person going and gave them energy. Ex: My friends and family have sustained me through my schooling career. = My friends and family have supported me through my schooling career.