I have come to understand that the object of Faith must be the Love of God .

Our Lord physically proved the Love of God .

His Word conveys the message of the Love of God administered by Grace through Faith in that Love He has for us.

If you have a shadow of Doubt you need to
1) immerse yourself in the Word of God - particularly those passages which testify of Christ Jesus - the Love of God incarnate and
2) Pray in the Holy Spirit which will build up your most Holy Faith .