The free Gift which God has given us is Salvation & eternal life ( Romans 6:23) 

When we become full Born again Christian we are supposed to allow the Holy Spirit to work in us and change our lives, imaginations, goals, and desire ( John 3:30). Hence a really born again Christian should carry the following traits.

1. A true Christian must be a Prayer person, the Bible instructs us to pray non stop in our daily lives ( 1 Thessalonians 5:17)
2. A true Christian is Saved by Grace Through Faith in Jesus Christ and not by Personal works ( Ephesians 2:8-9) Romans 10:9-13, Colossians 3:16-17    
3. A true Born Again Christian obeys the Lord, John 14:15 
4. A true Christian Glorifies Jesus Christ, Colossians 3:23-25
5. A true Christian must have Love because God is love hence we should love our fellow friends and neighbor as we love ourselves.