1, invite girls to eat ice cream, which means knowing from the side whether girls have their holidays.

2. For example, if a boy invites you to eat ice cream before opening a room, he just wants to know from the side whether you have a holiday. If you ask directly, you must think that the purpose is not simple. When girls have their period, they are generally not allowed to eat cold food. Girls are generally not suitable for ML when they have their period.