Everyone you know will disappoint you at some point, hurt you at some point, fail you at some point and leave you at some point. Put all your trust in God and you will never be Disappointed, hurt or alone. He will never fail you.
But let it be the hidden man of the heart, in that which is not corruptible, even the ornament of a meek and quiet spirit, which is in the sight of God of great price. For after this manner in the old time the holy women also, who trusted in God, adorned themselves, being in subjection unto their own husbands: 1 Peter 3:4-5