Я свободна в четверг, -- в него я смогу прийти на свидание. -- I see no problem here. For example,
-- Я в четверг не смогу прийти! -- Что такого ты в него делаешь?
and the same with other time periods.
The encountered confusion with the example sentence is caused by (1) thinking too much: within a fluent talk, you connect pronouns and mentioned words in ...
Я заторчал с тобой Всего лишь дозу
Why is "доза" in the accusative case? It doesn't seem to be the object of a verb
Actually, your guess is correct: "доза" is the object of verb "заторчал", and because of this it requires accusative case.
Short sencence: Я заторчал дозу
Я заторчал (с тобой) (Всего лишь) дозу
Good luck in study ...
While Yellow Sky's answer seems to be correct (+1), I'll also note that the text as you have written in the question (with "с") seems also perfectly valid for me. You need just to assume that "Всего лишь дозу" actually continues the previous sentence:
"Я заторчал с тобой всего лишь дозу. Дай себя..."
In this case, "дозу&...
The song in question is Прятки by HammAli And Navai, that phrase is shortly after 1:50.
There are two points to be noted:
• most probably there is no word c there;
• дозу is the direct object of дай.
Although some sites (including YouTube in the link above) maintain there is c in с тобой, I cannot hear it neither there, nor in this live performance, and ...
If you are looking for English equivalent, Russian "-но" words may be compared to English words with "-able" ("-ible") and "-ful" suffixes.
permit permissible можно
understand understandable понятно (понятный)
need needful нужно (нужный)
This is not a rule, because many words in this matrix do not exist ...