[ Just ]

It’s possible that you thought I’d pontificate about ‘just society’, or ‘justice’ here in 100 words.  Alas, no, I’m referring to the other use of just: 

“I just need a minute of your time”. 

Using ‘just’ as an apologetic modifier may be polite, but it diminishes the importance or difficulty of a task or ask.

“I’m just checking you received my email”.

“This meeting is just to kick-off the project”.

Use it when referring to something recent or imminent: “I’m just about done”.

Using it in any case except time-based comments detracts from the point. 

So, just try not to.