The General Instruction of the Roman Missal states:
[The minister] raises the eucharistic bread slightly and shows it to each one, saying: “The body of Christ.” The communicants reply: “Amen.” (GIRM 117)
The liturgy is not private property. No one individual, including the priest, has the authority to change the rubrics according to personal taste or whim.
See also this answer for a fuller explanation of why the priest cannot alter the liturgy on his own.