sharpface

ok so i played the campaign on legendary and i am on mission 8 i think. so i spent a few hours or so on it the other day, hit a checkpoint after the second boss battle. the checkpoint came wayyyyy later than i thought it would, so once i saw it i saved it to make sure. i log into it today and it put me back a few hours worth of time!!!! 343i i want my 2hrs back so do whatever you have to do to put me ahead of where i am now. im contacting xbox cust service as we speak. ya delete my "inappropriate" language. how about fix my game