Girl… He Tian is clearly touched by the fact that little Mo kept his stuff all these years… Despite the fact that he said he didn’t miss him at all a few chapters ago (lies).
The box with all his old stuff and face covered in tape Is a clear indicator of affection (he could’ve clearly throw them away)
It's sad because this just shows how broken their relationship currently is, considering that even if Mo kept so many memorabilia of He Tian, it's impossible to say the two of them are still as close.
Mo is angry at He Tian for leaving him for so long, while still being unable to stop loving him, and when He Tian saw that box he realized that. How sad he made Mo feel, and much he fucked up by destroying their relationship like that, even if it was for their mutual benefit. So I wouldn't say He Tian was quite "touched", he was probably grovelling on his mistakes...
No matter how much two people love eachother, if one of them just goes to god-knows-where for god-knows-how-long, there's no way things will be the same between them afterwards.
wait can someone explain the last few panels for me? the taped up box and he tians reaction, why are his photos taped up and why did he react like that?