Can you use a metronome too much ;)

IMHO, no, you can’t use it too much, but you must work to also tap your foot with the metronome while you play.

I look at it as though you are calibrating your INTERNAL metronome (foot-tapping) to the EXTERNAL metronome (click-track). If you don’t do this, you will likely find that your timing is sloppy when you try to play without the click-track.

YMMV