Positive
With the amount of times the skills got reverted back to 0, I would at least like to see what my current progress on them at the moment. Incorporating it into something else like Brian said would be useful to not add clutter I suppose.

Didnt see anyone using colt for long time. Supporting 

I think that in a way, practising gratitude is kind of like a cheat code that you can use to get happiness again from the same things that made you happy in the past

Hah that's a good analogy that our community can understand.

Great suggestion, Adding a message showing the required Engine Parts before boosting would prevent the players from losing some parts.

Why can't it be in /stats?

Either this or as a command.