My opinion is, during the courtship , the guy should court the parents first. for formality purposes if he's sincere in his feelings.
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the right time to entertain such things when you get your degree. You'll know he's worth your parent's time when you are certain of his feelings and yours as well..
[spoiler]on my case... i don't have the guts to make my current relationship be known by my parents since I don't have any degree to compensate.
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though I'm living in a hard way ( i mean my current relationship ) I'm looking forward to tell it sooner though. ( no I'm not hypocrite, I'm just coward )[/spoiler]