ThunderBlade16 asked someone to write this for them and I of course agreed to help my friend.
-Tfp-
If Ironhide's sparkmate/significant other gets turned into a terracon for  some odd reason he will show worry but hide his true feelings of fear until his lover gets turned back and then breaking down to them when the two are alone.
Thunder came up with the situation, Ironhide's reaction was up to me though, hope you liked, this is my first headcannon