The whole reposting while keeping attribution has been tidied up a lot this week: http://staff.tumblr.com/post/1059624418/content-attribution

Your data is hardly trapped.

You can export any or all of your posts as xml using the Tumblr api (http://tumblr.com/api) and your browser. eg http://we-heart-sci-fi.tumblr.com/api/read

There are any number of scripts/gists/pasties around the web that will give a simple script to download your posts.

I'd go further than that. Leave work at work. Don't check work email out of the office. Don't take work home: stay late if you must.

This is harder to manage if "the office" is actually your home but it's important to make it work.

You can't really help where your brain wanders in your downtime, but there's no need to encourage it by doing work in your downtime.

Well, rails is opinionated software, and one of those opinions is that you should probably be familiar with a terminal.

Agreed. I've found myself checking forrst first thing every morning. It's inspired me to actually get on with a few personal projects.