Different Scenario

Reason behind it

But something seemed to take a sudden wrong turn after that night.

Kakyoin couldn't sleep, he was just too overwhelmed with that warm nice feeling that he embraced, sure, he looked tired as hell the next morning, but happy, to know his love isn't one sided.

Although, once everyone was up, Kakyoin was happily sticking close to Jotaro...until he noticed the ignorance, and silent behavior from Jotaro, and it wasn't long to notice it.

Jotaro was barely answering to his questions, with such a quick and short sentences, without even glancing at him, and whenever Kakyoin got a bit too close to him, he would try his best to walk away without offending...But it was obvious.

That was a hurtful situation...

It left Kakyoin so confused, that even his logical side stopped working for a sec, he starred at Jotaro, who was not even noticing that he wasn't getting followed around anymore... At least, that's how it seemed to Kakyoin...

He wasn't trying to be any bother to him, but first things first, he was confessed to yesterday, only to be ignored the day after. It pissed him off that he wasn't really experienced in these areas, to fully understand human emotion during love confessions, or even relationship's.

It all hurts now, that he's getting ignored.

Even though he decided not to cling onto Jotaro anymore.

...

Kakyoin's sad mood was radiating from him, he walked around confused, had a lowered upper half body Posture, constantly sighed, and drifted off to his thoughts.

Everyone from the crew noticed that, even Jotaro, who was still ignoring it.

....

In fact the reason for this sudden twist was pretty simple, but in Jotaros case, it seemed pretty complicated to Kakyoin, who never went through such a thing.

Others were worried about Kak , and they walked around him asking him what's wrong, is he okay, but Kakyoin was always replying with"i just feel a bit gloomy today" and brush it off.

Jotaro heard and noticed everything from the distance , and felt guilty, extreme levels of guilty.

Yesterday after that uncalculated and unpredicted force, that made him carelessly land a kiss on his soft lips, made him so happy, that his happy meter was overheated, to the point when his doubts kicked in so suddenly.

He was afraid, he was so afraid for him.

There's a thing Jotaro knew about Kakyoin , that the poor Noriaki couldn't learn under Dio's roof, he was a smart man indeed, but there was only one thing he couldn't learn...And that was his whereabouts.

Jotaro however was taught about it since the young age, in the begging only fundamentals, later the entire thing.

Noriaki was descendant of a really rare bloodline , that still goes by the name Kakyoin, they held it strong for decades now.

It is known as the awakening bloodline, that can be quite dangerous to the majority if treated badly , or neglected.

When Jotato , as a child, mentioned the surname of his lost friend to his father and granpa, they were frightened by the news. Kakyoin's were so rare, and so dangerous if threatened or mistreated.

That's why they're investigation and search for Kakyoin never backed down..no matter how less and less the case made sense.

And now that they are back together, Jotaro was afraid, that he might have a major influence on dragging Kakyoin in danger.

Dio was a great enemy to the Joestars, the first strongest bloodline , and his servants were everywhere, and by thd though of that it was enough frightening to Joestars, adding up a Kakyoin with them will only make Kakyoin an easy target.

Kakyoins are strong, but only when they find that special someone who can bring a balance and inner peace, and tie them for enternity in life, earning  a trust from Kakyoin, you were granted a loyal friend, or a partner for life.

All this lectures and findings about Kakyoins ran through Jotaros head, without him noticing that he was bluntly starring forward, not paying attention until someone bumped into him.