twilight is the mother of spike but twilight be more the a mother can be with her kids! twilight be a freind , teacher and a mother! mose pony see them like this twilight not see it yet were she be a filly! but more she grow up and more she see it! is why she care for her little dragon son! but spike see too but is hard for him to say it! celestia see it too but not say it! like the mother of twilight , celestia want twilight know it by her own and is the same for spike! twilight and spike got relationship more then all mother can dream off! i hate to say it but i dont ave the same relation with my mom! yes me and mom are close but not the same as twilight and spike! this why twilight is the best mother in mlp!