Talk to baby's doctor, and see what can be done. Medication can be used as a last resort, but doctors disagree on how well it works. Try to be patient. Colic goes away, usually by 3 to 4 months. If you can forgive and forget the colic, you may even find you have a sweet, peaceful baby after all.
Children can be very different from each other.
Then you can encourage each new ability. But it still wobbles a little when I'm propped up. I can hold onto things you give me for a little while. I'm more interested in things. I like to look around and to listen.