yes thats probably why...only do adventureswhen necessary...finding the golden peach (increase lifespan by 1 year!!)on the parepare adventure is worth going to just for the opportunity, but it only grows every 4 years..the first adventure you take there is random, maybe you'll find it, maybe not..the silver peach(lengthens lifespan by 6 months is only available through the tournament called 'elder cup', bt your monster must live at least 6 years..somewhere around june, 3rd week is when you should see it.

to train right, the monster has to like you..as in loyalty just about at 100. give or take high 90's is fine...often praising after great drills, playing with it on occasion, giving it treats after it wins tournaments and i always give it the month off on the month of its birthday. all rest weeks and meat for feeding. its a rich lifestyle , but if you have the money, its a guaranteed rank A or S...lifespan i cant guarantee but it should lve to be about 4 years...all the training methods and errantries are used at your discretion.

another thing is that, dont be tempted to take your monster to rank tournaments right away...take your time in between to train, feel comfortable with the other monsters in your rank, and go when your monster feels if you can actually beat hands down, not by hitting once or twice and dodging everything else until time runs out. send it on errantries at the beginning of the month, dont try to run drills and raise stats as much as possible before you send it out...not worth it..reults are major fatigue and major stress..errantries shortens lifespan by enough already, but excess fatigue and major stress is like 5 months of life shortened.
i might have to play it again, talking so much about it. ive always liked training phoenix, zuum, pixie, and tiger mixes