She wanted Picard to face up to his paternal responsibilities at last! 
No, seriously, I think it would be very difficult to turn down a job like head of Starfleet Medical if it were offered to you. I mean, what is she going to say: "I would leave, except there's this guy I kinda like, and I really think he'll start to notice me if I stick around a bit longer..."?
I think it's quite possible that she would take the job for the prestige, and then after a year, get itchy sitting behind desks instead of on top of them, and decide to return to the Enterprise. The real question is whether she had to pull any strings to do so...

No, seriously, I think it would be very difficult to turn down a job like head of Starfleet Medical if it were offered to you. I mean, what is she going to say: "I would leave, except there's this guy I kinda like, and I really think he'll start to notice me if I stick around a bit longer..."?
I think it's quite possible that she would take the job for the prestige, and then after a year, get itchy sitting behind desks instead of on top of them, and decide to return to the Enterprise. The real question is whether she had to pull any strings to do so...