About how long would Invisalign to close my gap, or make it way smaller to where its about 1/2 the size it is now? (photo)

I would try wearing the retainer 24 hours a day.  If that doesn't work, return to your orthodontist and ask what they would suggest.  Also, I advise my patients to wear their retainers 24 hours a day after they have completed their Invisalign treatment.  The teeth are prone to...

Yes, you have both. Overjet and overbite. I would recommend you seek treatment at an experienced orthodontic facility to correct the issues. Overjet and overbite tend to increase with age.

As long as the attachment fits well with the Invisalign aligners it doesn't make a difference if the attachment template was used or one of your active aligners.  If the orthodontist noticed an issue he/she would have just removed the attachments and done them again.

After Invisalign, the teeth do need to settle.  The trays have been between the teeth for months and the teeth have not been touching except for eating!  We try to adjust the bite after the first 6 months but every dentist does it differently.

Yes, it is possible that ear pain is related to invisalign wear. During invisalign treatment, your bite and jaw position can change, this could create some pressure in your TMJ (Jaw Joints) and this could translate to the ear causing sharp pain. If the pain continues, my recommendation is to...

Hey LeakyBrain ... Nice Catch!!  The current set of Invisalign is only set to close a space of .5 mm so you'll be left with a .25 mm space at the end of the Invisalign set.  You'll then need what we call a 'Case Refinement' which is another 1 or 2 sets of Invisalign to continue the...