HOW TO WATCH TTGL
It's a mecha involving ass-kicking drill action, fan service and a story about how a boy finds who he truly is. It also contains enjoyable characters, good action scenes and a generic timeskip. Follow this sequence to watching TTGL.
Episodes 1-8: Watch in one day, then after 8 go to sleep within the next hour or so. Skip episode 4.
Episodes 9-15: Watch in one day as well, and after 15 is done, sleep within the next hour.
Episode 16: Watch this the following day as a recap, then don't watch episode 17 till two days later.
Episode 17-27: Watch them over the course of two days while taking short 15 minute breaks between each episode.
Episode 4: Watch on repeat for at least one day.