The real gem in this chapter is the girl's advice that if you just hold onto your feelings for someone and never say anything, you're going to lose every time. That advice would solve literally 90% of the problems in these fucking romance mangas. What a breath of fresh air! Based imouto! 
If you like a girl, tell her. She can't tell you yes until you ask. And if she says no, then you can stop wasting your time daydreaming about a relationship that won't happen, and find a new girl to like.