Perfect self used to boost all stats, but now its boosting everything but consistition, after I brought up to normal with death sting potions.

Is this normal? It's not giving ANY bonus to my CON stat now

Age: 100 Expr: 13970230 Level: 100
Normal (Bonus) ... Enhanced (Bonus)
Strength (STR): 100 (40) ... 110 (45)
Constitution (CON): 100 (35) ... 100 (35)
Dexterity (DEX): 95 (17) ... 105 (22)
Agility (AGI): 100 (20) ... 110 (25)
Discipline (DIS): 100 (25) ... 110 (30)
Aura (AUR): 94 (17) ... 104 (22)
Logic (LOG): 98 (19) ... 108 (24)
Intuition (INT): 80 (15) ... 90 (20)
Wisdom (WIS): 91 (20) ... 101 (25)
Influence (INF): 57 (8) ... 67 (13)
Mana: 114 Silver: 0