Particular eating

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So my son is slightly picky but nothing insane. It's more textures he is weird about and eating the same things often. He gets tired of things.

Well hes gotten to where sometimes he just absolutely refuses to eat. Even things he likes. Since he is too young to tell "you like this eat it" I'm thinking that I'm just gonna let him down and when he wants a snack he will get offered what he refused to eat until the next meal. And then offer him whatever we will be eating that meal. Like I'm not gonna just keep giving him the same thing all day. Like if he refuses breakfast and wants a snack an hour later I'll offer breakfast again until its lunch time.

Any opinions?