101KiB, 868x1620, b10cb9c9.jpg View SameGoogleiqdbSauceNAO Anonymous Thu 21 May 13:06:58 2020 No.11696515 ViewReplyOriginalReport Quoted By: How does /sci/ concentrate? I feel like I could do so much but I'm only able to study 30min-1h a day which is only enough to get through few chapters
