General Hospital - what happened today?

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Okay I fell asleep today and missed what was probably really funny while I was cheering Tracy on - shei s the one ya love to hate, but this thing with Luke -he is using her so bad and all she wants is to love him...not something she is used to wanting much less doing, but she seems so serious about it this time. But today she over heard Lulu and Luke talking about why he didn't go with her and he said it was cause she didn't ask. Later she was talking to him about his plans to re=do the Haunted Star and she said to him about he only chose her cause Laura won't take him or something like that and I fell asleep during the commerical and when I woke, it was on to Sonny and Olivia going on - and I fell asleep again, and woke when SOnny walked to Zman and said he'd marry Claudia. Question: What did Luke say to Tracy as to why he "chose her"? and did Olivia tell Sonny about Dante or what else was said that made him go straight to Zman and verbalize the deed?