You have learned something about this person, he isn't organized or responsible.

Sometimes people have to have their feelings hurt to "learn" to get more "responsible" for themselves. If it "pains you" to hurt other people's feelings, learn from this and set tougher boundaries.

Life keeps giving us lessons, we all go through it. The important thing is to "actually learn" and don't repeat mistakes that will give you the same "uncomfortable" results.
Sometimes, unfortunately some have to go through it a few times to realize that though, so don't feel bad.

And as far as your feeling like you are in "no where" right now, well, that really isn't true, you have a job and are learning, and sometimes as we do that working and learning we can be a bit lonely.
Learning, however, can produce advancements for your future so make sure you do not consider this a "forever". Keep an open mind.

(((Hugs)))
OE