Is this grammatically correct, what does it mean and can it be rephrased? “I’m eternally thankful for the repost, sir. Thank you and God bless you”

Yes, the sentence is grammatically correct. It expresses a deep and lasting sense of gratitude towards someone for sharing or reposting something, likely on social media. The speaker is addressing the person as "sir," which suggests a level of respect or formality. The closing "Thank you and God bless you" further emphasizes the speaker's appreciation and good wishes for the person. Here are some ways to rephrase it: 1. "I am forever grateful for the repost, sir. Thank you, and may God bless you." 2. "Thank you so much for the repost, sir. I truly appreciate it and wish you God's blessings." 3. "I greatly appreciate the repost, sir. Thank you, and may God bless you always." 4. "I’m immensely thankful for the repost, sir. Thank you, and God bless you." Each of these alternatives conveys the same sentiment of gratitude and respect.