Choosing a realistic dildo can be a personal decision based on your individual needs and preferences. Here are some factors to consider when choosing a realistic dildo:

1. Size: Consider the length and girth of the dildo. Do you prefer a larger or smaller size? Keep in mind that a larger size may be more challenging to use for some people, particularly beginners.
2. Material: Realistic dildos are typically made from materials like silicone, PVC, or TPE. Make sure to choose a material that is body-safe, hypoallergenic, and easy to clean.
3. Texture: Consider the texture of the dildo. Do you want a smooth surface or one with pronounced veins or ridges? A textured surface may provide additional stimulation but may require more lubrication.
4. Shape: Realistic dildos come in a variety of shapes, including straight, curved, and angled. Consider what shape feels best for your body and what kind of sensation you want to experience.
5. Features: Realistic dildos may come with additional features like a suction cup base, balls, or vibrations. Think about whether these features are important to you and whether they enhance your experience.
6. Price: Consider your budget. Realistic dildos can range in price from relatively inexpensive to very expensive, depending on the materials and features.

Ultimately, the best way to choose a realistic dildo is to try out a few different options and see what feels best for you. Don't be afraid to experiment with different sizes, shapes, and textures to find the one that provides the most pleasure. And remember to choose a toy that is made from body-safe materials and to use it safely.