assuming this takes place in America, The West is a place or region, like Texas or California.

The second sentence is more correct although they are both right. Since you already said "when I was younger" you don't need to say "I used to" because it's implied. "I used to live with my parents" or "When I was younger I lived with my parents."

Tremor:

Though she pretends to be speaking calmly as if nothing has happened, there's clearly a sense of tremor in her voice.

Stay clear of:

Though they appear to be very friendly, you'd better stay clear of that group of bandits, since I am pretty sure that they believe you can be lucrative to them. ("Though" needs an explanation so should come first.)

Sly:

When he turns around, believing that he is now safe to go away, the hit-man with a blade behind him shows up with a sly smile and rushes towards him.

Hassle:

"I know that you feel very attracted to that beautiful girl, however this does not mean that you can hassle her by endlessly asking for her phone number." Said Jeans amiably to her son.

Wary:

Mom has always taught us to be wary when talking to strangers, since we never know what their true motive is behind their conversations.

Overall this is very good. 

don't eat too much or you'll get sick. stop eating when you've had enough.

"ice ice baby" by Vanilla Ice and anything by the Beastie Boys