If you have trouble sharing your faith this is a great verse to study and then share. By which also ye are saved, if ye keep in memory what I preached unto you, unless ye have believed in vain. And last of all he was seen of me also, as of one born out of due time. True happines comes through being forgiven of their sins. We all remember when we were children and we did something wrong that made our parents mad at us.
Salvation works the same way.
The Gospel is the ultimate truth of God for the Salvation of man. The gospel is that capsule of information disciples of Jesus Christ carry with them into every facet of their lives.