It's heartwarming to read about your deep affection for dogs and the joy they bring into your life. Their loyalty and companionship are indeed unparalleled. Regarding flea and tick prevention, have you considered Bravecto? It's a chewable treatment that protects dogs for up to 12 weeks. Some online pet pharmacies offer Bravecto without vet prescription. However, it's always best to consult with your veterinarian before starting any new medication to ensure it's the right fit for your furry friend.