Wow, that's awesome, maybe a bit quick in terms of the weight loss, but that is too be expected in the beginning.
I worry that your calories are a bit too low, you may not be able to maintain that for the length of time that it would take to lose the weight you need/hope to lose.
Great start though!
James 1:16-17 ESV
Do not be deceived, my beloved brothers. Every good gift and every perfect gift is from above, coming down from the Father of lights
With God's help...Mens sana in corpore sano