Disappearing trains

Im an arial warrio and went to practice dex with the trainer in galadon. I had 4 trains. This is what happened: <92%hp 100%m 47%mv (25.80%)> train sc You have 2 training sessions. You can train: STR, at a cost of 726 copper. WIS, at a cost of 726 copper. DEX, at a cost of 841 copper. CHA, at a cost of 649 copper. HP, MANA, or MV at a cost of 872 copper. Dex : quick Then i trained once <92%hp 100%m 47%mv (25.80%)> train You have 1 training sessions. You can train: STR, at a cost of 726 copper. WIS, at a cost of 726 copper. DEX, at a cost of 879 copper. CHA, at a cost of 649 copper. HP, MANA, or MV at a cost of 872 copper. Dex : deft Deft means 24 or 25 in dex, right? Then i trainned again <92%hp 100%m 47%mv (25.80%)> train You have 0 training sessions. You can train: STR, at a cost of 726 copper. WIS, at a cost of 726 copper. DEX, at a cost of 918 copper. CHA, at a cost of 649 copper. HP, MANA, or MV at a cost of 872 copper. Dex : deft Then i trainned again Dex : deft <100%hp 100%m 45%mv (25.80%)> train You have 0 training sessions. You can train: STR, at a cost of 726 copper. WIS, at a cost of 726 copper. DEX, at a cost of 955 copper. CHA, at a cost of 649 copper. HP, MANA, or MV at a cost of 872 copper. I guess the trainer was eating my trains, because i have 23 in dex, trainned 3 times, so its now at 26 and i still can train dex Thanks for your time Cesar