Embarrassed with big and bulky phone?

So, I have this big and bulky Nokia phone and I somehow feel embarrassed to use it. Most of my friends have slim and cool phones like iPhone or BlackBerry or Sony Xperia. I had a bigger and bulkier phone before this and the new one is smaller but it's still big and bulky. I bought it because it's cheap and affordable to me. Whenever, my phone rings, I feel heavy to pull it out from my pocket and answer it. My friends wouldn't be hesitated to pull it and text back elegantly. I'm not sure if this matters but it's disturbing to me. What do you think? What should I do?