[Having only recently had a fight with Felicity about lying because he thought it was for the best, Oliver took a moment to decide how, exactly, he wanted to respond to this. If he lied and he was found out, Laurel would be hurt - possibly hurt enough to react the way Felicity had about his son. If he didn't lie - she might be hurt in a different way. It was impossible.]

it's a big part of it, yeah. who told you?