YOU SAID:

My back hurts so bad; it feels like it is seceding from my body. Like, if I laid down, I'd be half as tall.

INTO JAPANESE

背中がとても痛いです。体から離れていくような気がします。横になると身長が半分になるみたいです。

BACK INTO ENGLISH

My back hurts a lot. I feel like I'm leaving my body. When I lie down, my height seems to be reduced by half.

INTO JAPANESE

腰がとても痛いです。体から離れるような気がします。横になると身長が半分くらい縮んでしまうようです。

BACK INTO ENGLISH

My lower back hurts a lot. I feel like I'm leaving my body. When I lie down, my height seems to shrink by about half.

INTO JAPANESE

腰がとても痛いです。体から離れるような気がします。横になると身長が半分くらい縮んでしまうようです。

BACK INTO ENGLISH

My lower back hurts a lot. I feel like I'm leaving my body. When I lie down, my height seems to shrink by about half.