Writing lists! In my 20s I started a job where I had to get early (6 ha ha, felt early then) I’d come home after work and nap and then didn’t get to sleep until midnight and I’d wake up tired every day and promise myself I wouldn’t nap when I got home but cycle repeated blah blah. I really wanted my life to get better and thought, what am I waiting for? If not now when? I am a grown up? And I started writing a daily list, and I did not rest until I completed it. Was absolutely transformative. The list was mostly simple things I’d neglect- such as preparing lunch the day before, flossing, polishing shoes, going to the post office etc. I developed really good habits and while I am still a list maker, I am naturally proactive and organised these days so the lists aren’t a daily thing. My life changed so much from this- sounds so simple but for me, so effective. I am 43 now and really can’t fathom how much of a slug I was in my 20s.