I can’t reduce it to some simple “He’s Just Not That Into You” formula, but two months is far beyond the limit.
QandA
How to include sign language
Italics are a good choice for sign language.
Not my problem
Alvin Sargent’s advice: If you have a problem, give it to the character.
What does “execution dependent” mean?
What makes one high-concept idea more execution-dependent than another?