It's amazing how fast we adapt to new things! I've been riding even less than you and probably less than 20 rides under my belt. At first i couldn't do more than 20 mi and I panicked on uphills to the point of hyperventilating (VERY uncommon occurrence for me) and crying (not so uncommon occurrence). But now I can ride 30+ miles with MANY big, prolonged hills! I just keep telling myself that I have to be patient with myself (Especially on the hills). But in a couple of weeks I bet they'll get easier/faster and i'll be travelling farther and farther. I just have to be patient.