I agree with Violet.
In the works of Shakespeare, if an older sibling is dating & in love with a much older person, then when a younger sibling starts dating, the parents/society must have no problem with the SO the younger sibling is in love with, regardless of whatever.
Anyway, I have been mistaken for early 20s {I'm 17} on a bunch of occasions.
At school, I am a senior. Packs of immature freshman girls come up to me and try their hardest to act "mature." However, the minority of freshmen/sophomore girls are mature but don't really show it.
In the case of boys, most try to act mature when in reality, they act really tough and intimidating. I have noticed it scares some girls a bit. If the boys, most of them in freshmen or sophomore year, want to act mature, they should stop acting shallow and drop the whole "tough-guy" act.
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Silly NTs, I have Aspergers, and having Aspergers is gr-r-reat!