“Can’t you just do this?” … “We can just make it work.” … “We are just changing one thing.”
In these examples, just implies “not very much work.” Sometimes this is true. But sometimes when you hear or say “just” it means you (or someone near you) is grossly underestimating something.
What’s the key take away?
Just this. Be honest and aware of when “just” is justified (and when it’s not).