It is never too late to be what you might have been. If you can help identify what the mixture is, you can help the group get balanced so they can accomplish their goals. Here are some the traits exhibited by the four personality types. Value the differences and understand the strengths and weaknesses.
Earth thinks about things for a long time - it is important the earth personality check in.
Fire sucks the oxygen out of wind, it flares up in anger but it also doesn't slow burn. Wind puts out fire. Wind's anger style hurls or throws things at you. Give it space and duck. Listen to the wind personality and work with this person.