I haven't worn my retainer for about 2 months and I just started again but it hurts. What happened? (Photos)

Lips are guided by teeth positioning. If there is an overbite, there may be protruding lips. Evaluation by your dentist should tell you if this is the issue and how to correct it. Orthodontics is the typical treatment recommended.

I think you are an excellent candidate to do both braces and veneers. Once your teeth are in their ideal position a minimally invasive veneer can be placed on each lateral. this will give you a more harmonious smile. It will also make your canines less pronounced. 

Unfortunately it is difficult to answer your question without being able to see a picture. Take a picture and repost your question.