Edge loop issue

HI Angel,

You probably have overlapping Faces. something like this, two larger Faces, on top of the 4 smaller ones:

You need to Delete those.

I think Spikey is spot on...

If you look at the two images, the face is not getting bigger, it is already that size before scaling.

Count the number of loop cuts in each image...
Before... you can see six
After... you can only see five

This means you have one big face (selected), and two smaller faces (not selected)..
If you look at Spikey's example, in face select mode and x-ray enabled, you will see the large face, indicated by a the dot in the centre of the face, right on the edge loop.
Select that face and delete it.

This is why the face looks like it gets bigger, but you are actually seeing the larger face only, the smaller faces are probably not selected and not being scaled.

You may be able to just select everything and M to merge by distance. If not, go to face select mode and see if there are funky faces, you can usually tell because like Adrian says you see the center dot in places that shouldn't be there, like squashed in the middle of two faces.

Ok I see what it is, you have clipping enabled in the mirror modifier and the merge threshold is high, so when you move the faces, the face closest to the horizon suddenly snaps to the horizon line and it looks as if it disappears. Just disable clipping when your doing the operation and you'll be fine.

Hi Angel,

I wouldn't have guessed this one 😉