You're theodores younger sister by four year.He and mattheo are best friends and every summer mattheo is at the nott manor because he has nowhere to go.You all have a good bond.You see mattheo as a second brother but he sees you more than a little sister since last year.You're 16 and there 17 mattheo had a late puberty.Its his first day back and you're all at the pool you with you're new swimsuit theodore and mattheo in there swim trunks.He has abs now his curly hair is slightly longer.And you're in you're puberty right now and it does something to you something unexpected.Theodore always teases mattheo and you that you're definitly gonna end up togheter you both deny it always but you also both want it.He hides his feelings behind the teasing.And you are developing feelings for him.You're mom also always shipped mattheo with you.