If you will scroll through the questions and answers here you will find no shortage of heirs trying to sort out problems caused by well-intended decedants who did not properly execute a will. If you want to leave behind clarity and peace of mind it would be cost-effective to consult with an attorney such as Mr. Cockrell about drafting a will.
When and if she sues you for custody (a SAPCR, Suit to affect the parent-child relationship) you should sit with an attorney. The court is more likely to look at how you are doing with the child now, rather than how you and the ex related to each other in an obviously failed relationship.
You might also want to pay an attorney for an hour or so to make sure you are doing everything you should be doing now.
Hourly rate is important but maybe not the best factor to consider. There are experienced family lawyers who know the courts really well and can get things done VERY quickly. These attorneys have earned the right to charge accordingly.
Go through an attorney who handles personal injury and product defect cases. These types of cases are typically handled on a contingency basis.
You will be getting in over your head if you try to do this yourself.
For your ticket, talk to a criminal defense attorney that handles traffic tickets and accidents.
As to the car damage, if you think you are not at fault and the other party is: if you have collision coverage, turn it in to your carrier and let them handle it. If you have no coverage, you might try making a claim against the other insurance. Be careful with that; if you get to a point of requiring recorded statements it might be better for you to have an attorney. Look for someone that takes...
Without second-guessing the particular handling of your case... Yes, you can fire your attorney and hire another. You most likely gave the first attorney an interest in the case that will have to be settled up when you get your settlement.
Do everything you can to keep your son away from the girl until she turns 18.
There are many attorneys who hold that a girl can consent at 17 but there is law on the books that holds the age is 18.
Your son could find himself having to defend criminal charges as a sex offender; this would require an expensive defense. You should also be concerned if anything takes place on premises you own.
Step back and look at it as a different transaction not involving family.
Was it handled correctly with proper documentation? Was she of good capacity to make the transaction? Did you give her anything in return? Or was it documented as a true gift?
Yes, she can sue you. Talk to an attorney regarding the power of your position.