Overthinking???

According to glow in 7dpo. I've been having some bleeding this morning when I woke and now it's gone and then Saturday morning I had some but was there when I wiped the first time then gone then next time. Very hungry like I can't get full boobs feel full and very sore. My lower back is so sore and I haven't done anything for it to be sore. Am I overthinking or what could this be?