Yep, that's correct. Head out the door. You can use this strategy featuring a mid-workout walk break on days when you may be more tired than others. This also helps you maintain a steadier pace than you might otherwise. . When I competed in track at Carleton College many, many, many years ago, this was the furthest distance I ran in dual meets.
Rest is always an important component of any training program.
Sometimes rest is important for the mind as much as for the body. So Friday is the day when you don't have to think about what course you're going to run or how to fit your workout into a busy schedule. You can even skip taking a shower, but if you brush your teeth, don't forget to floss. Take a day off. Depending on your pace, that could carry you close to 2 miles.