But they revealed their feelings without using words. And that is what Tifa suggests with her comment. :o
Cloud kept the promise in his memory. He always will.
Example:
"Cloud and Aerith realized their feelings for each other."
That would do it. For all of us, I think. We already have this for...
SE's whole fucking point was to NOT make her clingy. You're wrong.
... Not.
"It had been several months since that day—the chosen day. After helping Tifa and Cloud build their home, Barret entrusted his best friend Dyne's orphaned daughter Marlene to the two of them and embarked on a...
That's the problem. You can't give us more than hints as evidence. Some of those quotes aren't even hints for Cloud and Aerith being romantically involved with each other.
Personally, I've been looking for a quote who have the same standards as the C/T quotes.
Like Cloud and Tifa sharing their mutual feelings with each other. :)