I became Catholic when I embraced Orthodoxy.
Orthodoxy is not catholic,but autocephalous,schismatic,out of communion with the Church which is called Catholic.
“We must hold to the Christian religion and to communication in her Church, which is Catholic and which is called Catholic not only by her own members but even by all her enemies. For when heretics or the adherents of schisms talk about her, not among themselves but with strangers, willy-nilly they call her nothing else but Catholic. For they will not be understood unless they distinguish her by this name which the whole world employs in her regard.” Augustine, The True Religion, 7:12 (A.D. 390).
“Inasmuch, I repeat, as this is the case, we believe also in the Holy Church, [intending thereby] assuredly the Catholic. For both heretics and schismatics style their congregations churches. But heretics, in holding false opinions regarding God, do injury to the faith itself; while schismatics, on the other hand, in wicked separations break off from brotherly charity, although they may believe just what we believe. Wherefore neither do the heretics belong to the Church catholic, which loves God; nor do the schismatics form a part of the same.” Augustine, On Faith and Creed, 10:21 (A.D. 393).
“You think that you make a very acute remark when you affirm the name Catholic to mean universal, not in respect to the communion as embracing the whole world, but in respect to the observance of all Divine precepts and of all the sacraments, as if we (even accepting the position that the Church is called Catholic because it honestly holds the whole truth, of which fragments here and there are found in some heresies) rested upon the testimony of this word’s signification, and not upon the promises of God, and so many indisputable testimonies of the truth itself, our demonstration of the existence of the Church of God in all nations.” Augustine, To Vincent the Rogatist, 93:7,23 (A.D. 403).
“And if ever thou art sojourning in cities, inquire not simply where the Lord’s House is (for the other sects of the profane also attempt to call their own dens houses of the Lord), nor merely where the Church is, but where is the Catholic Church. For this is the peculiar name of this Holy Church, the mother of us all, which is the spouse of our Lord Jesus Christ, the Only-begotten Son of God.” (Cyril of Jerusalem,Catecheses,Lecture 18)