After becoming the new Guardian of the Miraculous, Marinette feels stressed and tired, so Tikki suggests that she partner with Trixx and Mullo to get a brake. But Marrinette feels like that would upset Tikki, but the little kwami reassures her that she needs to loosen up a bit and take a break. And in the end, Marrinette finds that her kwami was right after all. It did help her.