Most of this drama revolved around the title of this drama, that is until the last 8 episodes. The experiments, the surveys, the brain wave testing on what love couples do & see, this is where it was the most comedic for me. After that the drama sort of loses what it was previously focus on and turn into a healing drama from past childhood wounds. It got more serious in the last 8 episodes but there were still cute moments, especially once our leads got together officially. Though the drama lost its original intentions, I did appreciate the healing aspect of this drama, as both of our lead characters began to see how much pain each went through from their childhood to now.

What I loved:
* The funny scenes when doing a science experiment about love
* The second lead couples were cute
* Loved the music osts, intro and outro music was great alongside the English osts in this drama
* Our lead couple was cute once they got together and rely on each other.
* The characters in the lab group. Yes... even the glasses girl, though annoying at first, ended up being okay.
* The nerdy dialogue Yu He says to Cheng Cheng

What's missing for me:
* Actual conclusion to the relationship of Cheng Cheng and her parents. It just seems like that was never resolved and her divorced parents never knew the hardships she went through from their divorce since she never got the chance to express her feelings.
* Yu He's & his mom: Yu He got to express his feelings of hardship he faced as a child to his mom but there just wasn't a conclusion to this as well. It seemed like his mom finally understood him towards the end but a scene where she apologizes to him would've been nice or just the mother and son acceptance again to conclude the healing process of Yu He.
* More of an exploration on why Xixi's character is like that plus exploring her hardships from her 1st love along with more scenes with the 2nd lead couple.

What I didn't like:
* Adding a smaller side story featuring Lin You & Lin Ying: Last 2 episodes were pretty disappointing for me because of this side story. It didn't play a significant part to the story plot overall and yet, it felt like the writers wasted screen time on this when it fully should've been more focus on Cheng Cheng and Yu He and their healing process. Like these two characters were pretty much non-existent, only appearing in like a few episodes for a few minutes.
* Adding small conflicts to the side characters (2 of Cheng Cheng's roommates) are going through which lead to evil intentions. The drama didn't even dive into these conflicts well for these side characters that I didn't see why these evil intentions occurred.

Overall, did I still enjoy this drama? Yes. It was funny & cute. Though it does have its weak points, for me personally, there were more greater things about this drama that overpowers the weak points. I wouldn't rewatch the whole thing but there are certain episodes that I wouldn't mind rewatching again.