Not sure how I should feel...Retirement?

Yesterday I spoke to the company who does my IRA, and I was told that if I maintain my lifestyle and if I retire now from my part time job, that I will be okay.  I will be 62 later this year.  With my problems, there's no way I can wait until 65, 66 or 67.

I am an active person but I don't know why I am so scared to death about retirement---I guess I will feel like my life will be over and I will have a new life, so it's fear of the unknown.

I'm afraid I'll be even more lonely, bored, will sleep late every day, no agenda, etc.  I am fighting these feelings, for instance, this coming Monday I am off of my part time job, so I filled the day with an Art class in the morning near my house, a doctor visit, and then my counseling.  That would be one day out of the week that i'd be busy.  I'll have to find 4 other days worth of things to do, I like to not do anything on weekends expect for pleasure things.

I tried to look for another part time job, but it's practically impossible for an older woman to get get a part time job, or ANY job now.  So I won't be working at all.  I'm done with work, I paid my dues.

I should be happy and excited.  Instead, I'm scared to death and insecure and have all these emotional feelings.