If it feels like you're playing an RPG, trying to keep track of everyone's feelings about you and giving out presents, that's a Dating Sim.
Let's see; she's smiling, so option one should work - unless that throwaway line of dialogue back in Chapter 2 was hinting that she was actually a Tsundere and so I should choose number two..on while I check the FAQ.
In fact, many romance games are Visual Novels, which is a much different game style.
(See for example, the difference between the series, which is very close to a Visual Novel style of gameplay, and the DOA Xtreme series, which is the closest thing to a true Dating Sim with mass-market appeal in the US.) If the game plays out like a Choose Your Own Adventure, that's a Visual Novel.
According to a study, three traits stood out as topping participants' lists of traits they sought in a mate: "sense of humor," "fun-loving," and "playful." But you don't need a study to tell you that it's good for your relationship when you and your significant other are laughing while enjoying a game night in or getting physical while playing an outdoor sport together.
If you're stuck in a humdrum dating rut, we've got 30 playful date ideas to get those friendly competition juices flowing and bring that spark back into your love life.