I recommend that you read the Messages to the Young People, The Adventist Home and other books of EGW to answer all your questions.
As stated before, during this time there should be little or no physical contact, as this is something that should wait until marriage (1 Corinthians -20).
Women and men are viewed with much respect, and when that respect is broken, it hurts not only the person but the whole family is looked down upon.
In Western Society, single men and women, whether attracted to each other or not, will interact pretty freely, of course with a personal bubble and a good amount of respect.
In addition, courting couples state up front that their intentions are to see if the other person is a suitable potential marriage partner.
“Trust in the Lord with all thine heart; and lean not unto thine own understanding.” Proverbs 3:5 Love, courtship and marriage.