I am going through this same thing. I know that the time to "reinvent" myself is now, but it's a huge struggle. It's a combination of natural resistance to change, and the long-held negative beliefs about ourselves. They are working together to keep us held down. Habits are hard to change for everyone, especially those like us with depression. Don't be hard on yourself - I've learned it takes time.

Having a plan for the day helps. You have ideas where to start, could you set a day/time to put these ideas into action? I find having a schedule for each day is helpful to avoid procrastinating in front of the computer or TV screen. But it might require thinking about YouTube and xbox differently, too. "I don't actually want to be doing this, this is wasting my time that I actually want to use for something else." We have to focus on that thought, no matter how fun this game or video is, this isn't what we want to actually be doing, and so, in that respect, it isn't fun at all. We have to turn off the video and sit and listen to ourselves. If we're unhappy, the activity has made us feel crap. Therefore, activity is crap. I think it's looking at "fun distractions" differently, as time-wasters which, in the end, cause frustration and unhappiness. Having an idea of something else to do instead that's potentially productive and progressive is needed, otherwise just turning off the video makes us feel lost. And we'll probably just put it back on again.

I've started journaling, which I keep writing about on here, but it is very helpful. You don't need to keep a journal, but writing is beneficial in many ways. Write your ideas, the actions required, set a day for them. One of these things you do instead of xbox, which is a crap-feeling activity. Perhaps label activities as "crap-feeling" and "good-feeling!"

It's hard and it takes quite a bit of time. And mentally exhausting effort. I've gotten to a point where I absolutely hate my current lifestyle, and the pain I feel about that is so unbearable that I'm slowly getting the determination required to change habits, both physical and mental. We need to feel deep within us, "I cannot do this unhappiness and torture." And decide on a deep level that we've had enough of it. I have zero self esteem, but I know I need to "have myself" (my own support, my own friendship, my own back) in order to have the courage. I'm dealing with something right now that requires a great deal of courage (for me), and my own friendship. I haven't yet "made up" with myself, but allowing myself much-needed peace and a better life is a good start.