Hey man,
Good job so far, a couple things.
1. Your shape is more of a pot than a billiard. You want a slightly long/taller bowl on a billiard:
2. Your stem is too long or stummel too short. You want the stem/stummel junction to be the centerpoint.
3. For your rustication, "Leave no surface unscarred". It can take a long time, but a fully gnarled surface looks infinitely better than a 90% gnarled surface. Eg:
Keep going man!