Most Helpful Guy
It depends on the situation. If you're trying to go on a date with him and he's interested in you, he'll let you know when he's available. If he's not interested, he'll use the classic "I'm busy" excuse without letting you know what day/time would work for him. That's true of both genders.
Most Helpful Girl
If he's busy and into you... He would let his mom fall off a cliff it meant he would score "points" with you... Men are weird like that. So if he EVER is too busy for you.. he's just not that interested.