Yes , you definitely can give too much attention. It's a common mistake for new puppies. You should introduce times of absence slowly. This is how separation distress comes on. They are given round the clock attention and then when you have to leave for a few hours, they have trouble coping. They can also become very demanding and attention seeking. Check out some of the separation anxiety posts.
yes, this is exactly what I was thinking as I read your post...
Have you left her at all??
We got Tillie as a small pup and after the first several days I would leave. to get the mail. lol Literally, I would give her a yummy filled kong and put her in the x-pen and go down the street to get the mail! lol after a week or so of that we graduated to the crate and she would still get the kong and I would crate her to go pick my kids up from school. I did that for a few weeks, then I would go grocery shopping or some other errand and eventually built up the time she was left. She has never had seperation anxiety, thankfully!! Another key for us was that when I did get back, I gave her ZERO attention and would bring in the groceries, open the mail, completely ignore her for awhile. She was never vocal or anxious during this thankfully. Then I would go over to her, ask her to sit, then quietly open the door. and walk down the hall. I never made a big deal out of me getting home. Does that make sense?? Now adays, sometimes when we get home, in the craziness of life with grade schoolers, thier activities, homework, snack, sometimes we actually forget to let her out of the crate for awhile (her crate is in our bedroom).... but she NEVER makes a peep. and patiently waits, because she KNOWS in her heart of hearts that we would never truly leave her and that we ALWAYS come back.
Hope my words help!