Responses
http://www.mangago.me/read-manga/koisuru_bicchi_kun/
Sounds like chap. 6 of this
http://www.mangago.me/read-manga/mask_danshi_wa_koishitakunai_no_ni/
what you said reminded me of this i could be wrong though

i dont remember much but uke(?) is quiet and a slow talker cos when he was younger he used to talk a lot which caused misunderstandings thats why someone told him to choose his words more carefully