1Ti 1:12 How thankful I am to Christ Jesus our Lord for considering me trustworthy and appointing me to serve him
Hbr 12:28 Since we are receiving a Kingdom that cannot be destroyed, let us be thankful and please God by worshiping him with holy fear and awe
Psalm 9:1 “I will praise You, O LORD, with my whole heart; I will tell of all Your marvelous works
Psalm 107:1, 118:1 “O give thanks unto the LORD, for he is good: for his mercy endures for ever
Psalm 31:19 “Oh, how great is Your goodness, Which You have laid up for those who fear You, Which You have prepared for those who trust in You In the presence of the sons of men!”
Psalm 75:1 “We give thanks to You, O God, we give thanks! For Your wondrous works declare that Your name is near
"He that does not love has not come to know God, because God is love. By this the love of God was made manifest in our case, because God sent forth his only-begotten Son into the world that we might gain life through him. The love is in this respect, not that we have loved God, but that he loved us and sent forth his Son as a propitiatory sacrifice for our sins."—1 John 4:8-10.
We must all evaluate our gratitude according to our beliefs and circumstances, .....
For a Christian, it is usually presumed that Jesus Christ was the exemplar.
You may of course interpret the scriptures as you see fit.
That is being grateful, it's showing the effects of being ungrateful and how the speaker is using God as a possible scapegoat.
Eli, Eli, lama sabachthani? (My God, my God, why have you forsaken me?)
[ Matthew 27 v46 ]
But thats not really being "grateful" is it? Thats more like, "why did You leave us?" yanno what I mean?