When you are His you are:

Marked - having a distinctive or emphasized character; a banner, a dividing line, a border around...
And you also were included in Christ when you heard the message of truth, the gospel of your salvation. When you believed, you were MARKED in him with a seal, the promised Holy Spirit - Ephesians 1:13 (NIV)

Sealed - evidence of authenticity; insuring that the contents have not been altered...
"In him you also, when you heard the word of truth, the gospel of your salvation, and believed in him, were SEALED with the promised Holy Spirit" - Ephesians 1:13 (ESV)

Identified - to cause to be or become identical; to be or become the same; claimed as known by or belonging to another...
"And now you Gentiles have also heard the truth, the Good News that God saves you. And when you believed in Christ, he IDENTIFIED you as his own by giving you the Holy Spirit, whom he promised long ago" - Ephesians 1:13 (NLT)

Have the kind of week that leaves no one around you in doubt, that you KNOW without a doubt, that you belong to THAT kind of God!

Joyful on the Journey
Marisa