Usually genital warts show up within 3 months of catching them. If you haven't developed visible warts after 2 years, either you were not infected; or you were infected but it was asymptomatic. Either way, it's no problem know; if you were infected, almost certainly the infection has cleared up by now.
Get the HPV vaccine, then you won't have to worry about genital warts in the future; also reduced worries about the possiblity of a high-risk HPV infection of the type that can lead to cancer.
Good luck-- HHH, MD
Oral warts are rare. See a provider if you feel bumps you think are not normal.
You clearly state the main problem here: "I just worry way to much." That's not a problem I can help. If it is interfering with your life, seek professional counseling.
HHH, MD