Firstly, I'm not calling you a heretic. Secondly, it's not heretical "in my opinion", it's simply a matter of fact that the orthodox teaching of the Christian religion asserts the resurrection of the body,
"We look forward to the resurrection of the dead, and to the life in the age to come. Amen." - From the Nicene Creed
"I believe in the Holy Spirit, the holy catholic Church, the communion of saints, the forgiveness of sins, the resurrection of the body, and the life everlasting. Amen." - From the Apostles' Creed
(the original Latin is carnis resurrectionem, literally "resurrection of flesh")
"When each of them to be baptized has gone down into the water, the one baptizing shall lay hands on each of them, asking, 'Do you believe in God the Father Almighty?' And the one being baptized shall answer, 'I believe.' He shall then baptize each of them once, laying his hand upon each of their heads. Then he shall ask, 'Do you believe in Jesus Christ, the Son of God, who was born of the Holy Spirit and the Virgin Mary, who was crucified under Pontius Pilate, and died, and rose on the third day living from the dead, and ascended into heaven, and sat down at the right hand of the Father, the one coming to judge the living and the dead?' When each has answered, 'I believe,' he shall baptize a second time. Then he shall ask, 'Do you believe in the Holy Spirit and the Holy Church and the resurrection of the flesh?' Then each being baptized shall answer, 'I believe.' And thus let him baptize the third time." - St. Hippolytus, Apostolic Traditions 21:12-18, early 3rd century
"The Church, though dispersed through our the whole world, even to the ends of the earth, has received from the apostles and their disciples this faith: [She believes] in one God, the Father Almighty, Maker of heaven, and earth, and the sea, and all things that are in them. And in one Christ Jesus, the Son of God, who became incarnate for our salvation And in the Holy Spirit, who proclaimed through the prophets the dispensations of God, and the advents, and the birth from a virgin, and the passion, and the resurrection from the dead, and the ascension into heaven in the flesh of the beloved Christ Jesus, our Lord. And [the Holy Spirit proclaimed] His [future] manifestation from heaven in the glory of the Father "to gather all things in one," and to raise up anew all flesh of the whole human race, in order that to Christ Jesus, our Lord, and God, and Saviour, and King, according to the will of the invisible Father, "every knee should bow, of things in heaven, and things in earth, and things under the earth, and that every tongue should confess" to Him, and that He should execute just judgment towards all." St. Irenaeus, Against Heresies I.10.1, late 2nd century
This isn't about my opinion, this is about what Christianity, objectively speaking, has always taught. It's what Jesus, the Apostles, and all Christians since then have believed, taught, and confessed.
-CryptoLutheran