These are the locations for sucking, you know its the correct spot because the icon on the left will bounce or the screen will flash. You need to suck blood until the icon disappears which seems to be random.

Stage 1: -back left ankle

Stage 2: -back left arm -back top right? -Abs

Stage 3: -Top left foot -left wrist? -4th stripe up left kidney (not hip)

Stage 4: -Phone hand -back wrist (2) -inside right calf -SSS

Stage 5: -Top of head -inside elbow -left armpit

Stage 6: [Life above lights] -Right quad -Right outside ankle -top of head -outside left forearm

Stage 7: -top left foot -lip -back left armpit -left kidney (not hip) -SSS

Stage 8: [Life above supports] -back right ankle (2) -back left near armpit -tummy

Stage 9: - cheek -top left wrist inside left calf -SSS

Stage 10: -inside right ankle -tummy -outside left wrist -top left wrist?

Stage 11: -inside ankle ? -top left kidney (not hip)+ -midriff -inside left elbow [Life above her legs when she falls]

Stage 12: -left eye -abs -outside left hand? -right palm -right bicep -SSS