Well, you want to become a better version of yourself, so I'm not sure showing up late to exchanges is a step in the right direction.
It seems like men often focus on the surface stuff when it comes to 180s. Gym, cologne, clothes. Those are an important step, but don't stop there.
Try out a new genre of music, take dance lessons, go see the art film you wouldn't normally see, go fishing if you're a city guy or head to the museums if you're a nature lover. Learn to cook, try a new cuisine, take an art class, shoot a gun.
New experiences light up different parts of your brain and give you something new to talk about. We all get into ruts. Getting out of one rut makes it easier to get out of other ruts, like the ones in our relationships.
Me: 44 H: 44 Kids: 20, 16, 16, and 10 Together/Married: 22 years H announced he was emotionally detached and considering D: 4/4/16 H announced he is going to try to stay and reconnect: 5/1/16