This is how I understand it. I could be mistaken.
A doctor heals you. We might ask: was it the doctor, or God, who healed? Why, this is a false dilemma. It was both. The doctor and God have healed. For “if God does not watch over the city, in vain does the watchman keep vigil,” and “It is you, O Lord, who have accomplished all that we have done.”
None would say “forget a doctor! It is God who heals and Him alone, so I shall pray to him and ignore medicine.” Actually, there are people like that. Does food nourish us physically, or is it not God? Well, both, as God has designed food to do this for us. But none say “Food has no power of its own, and only God has power, so I shall pray to God for nourishment and partake of no food.”
It has pleased God to use secondary causes to elicit effects in us. He uses doctors to heal, food to nourish… it should not be incredible to others that he uses His Holy Saints to intercede and obtain help for us.
Does this somehow diminish God? Then food and doctors have surely put a big dent in God! For they do so much to “take away” from him. No, food and doctors have power because of God, and so do the saints, and so all of it is grounded in God, and is pleasing to God.
The word “pray” does not strictly entail Divine worship. There are multiple senses to the word “pray”. One is, indeed, Divine worship. I pray thee, can you tell me another sense?

Prayer is entreaty. We entreat our dear Mother to obtain for us things from God. If for some reason the word “pray” is a stumbling block to you (although it should not be, because as I said, to treat is as such is to diminish the English language), go ahead and use the word entreat, or simply say that you’re asking Mary to pray for you. It’s just a little silly. “I’m entreating Mary to pray to God for me,” is the same as “I’m praying (entreat) to Mary to pray (Divine worship) to God for me.”
Hope this helps! Hope I’m also not too far off.
