If an athiest ask you questions about Christianity, and you feel tossed, Mhizzaj, then you urgently and quickly need to change your church, preferable, a pentecostal church of your church and stay committed as a Christian, else, you become an agnostic and later a first and deadly, athiest.

Ephesians 4:11 And he gave some, apostles; and some, prophets; and some, evangelists; and some, pastors and teachers; 12 For the perfecting of the saints, for the work of the ministry, for the edifying of the body of Christ: 13 Till we all come in the unity of the faith, and of the knowledge of the Son of God, unto a perfect man, unto the measure of the stature of the fulness of Christ: 14 That we henceforth be no more children, tossed to and fro, and carried about with every wind of doctrine, by the sleight of men, and cunning craftiness, whereby they lie in wait to deceive;

The bolded is for you, if God set an apostle, prophet, evangelist, teacher or pastor over you, then God must give him sermons that would prevent you from being tossed provided you are serious with your Christian life, not the kind that goes to church to fulfil religious obligation

The Catholic Church has all the answers/solutions.