Should we not be immersing ourselves in the mystery of the Mass?
Should we not be giving our full attention to all that the Mass is before God, and in the words of the Liturgy, the readings, in the great privilege of the Mass?
There are plenty of times to say the Rosary.
***MYSTERIUM FIDEI ***ENCYCLICAL OF POPE PAUL VI
ON THE HOLY EUCHARIST
2. For if the sacred liturgy holds first place in the life of the Church, then the Eucharistic Mystery stands at the heart and center of the liturgy, since it is the font of life that cleanses us and strengthens us to live not for ourselves but for God and to be united to each other by the closest ties of love.
vatican.va/holy_father/paul_vi/encyclicals/documents/hf_p-vi_enc_03091965_mysterium_en.html
"Christ’s love towards men was so great that not only was He willing to endure most cruel sufferings for our salvation and an atrocious death on the cross, but also He wished to nourish us eternally in the sacrament of His body and blood. In this way, He might strengthen us by the presence of His divinity and be the safest bulwark of our spiritual life… He decreed that that same sacrifice which He performed is to redeem the whole human race from the yoke of sin to reconcile all things in heaven and earth, and to remain until the consummation of the world. He decreed that it be renewed and take plaice daily by the ministry of the priesthood. Only the reason for the offering is diverse, namely, that the salvific and most abundant fruits of His passion might forever be dispersed upon mankind.
AMANTISSIMI REDEMPTORIS, ON PRIESTS AND THE CARE OF SOULS, ENCYCLICAL OF POPE PIUS IX
- In the unbloody sacrifice of the Mass, celebrated by priests, the same life-giving victim is offered up. This entreaty reconciles us to God the Father. It “renews in a mysterious way the death of Christ, who having risen from the dead dies no longer. Death no longer has domination over Him. Still, He is sacrificed for us in the mystery of this sacred oblation.” papalencyclicals.net/Pius09/p9amant1.htm