You had a relationship with Walden, you love him, and he loves you, but he is embarrassed about showing the relationship

And now, he is telling you to not be affectionate in the factory, since he is highly embarrassed about it

"From now on, this relationship will be scientific, and highly appropriate-"

You cut him off by kissing him, and he quickly pulls away

"Assistant! No! Not with the door open!"

He quickly runs to the door, and close it, and kisses you again, roughly this time