Hi there! Absolute beginner here. The nose looks good, but I feel that it could do with more defined shapes. Try to push your value ranges further to give yourself more room for more subtle nuances. Darkening your darks, such as the nostrils, even further will help accentuate your highlights and vice versa. Don't be afraid to go "too dark" or "too light" especially at the beginning. Stepping outside your comfort zone to create something that's "too bold" helps you gain confidence in your art. Looking forward to see the rest