Its helped me out a lot recently!
A negative one, your automatically assuming that your partner is losing intrest in you, or the conversation. So, I'd say either ask what's up/wrong, or start a new conversation. <span />
Just look at the link the other person sent
Your shoulders are not supposed to touch the backrest when driving. However, if they do it’s not a huge deal. You wouldn’t be arrested for it.
True....a person has the right by law to refuse a sobriety test.