Mother is disappointed in me?!!

Okay so I'm 22 years old and I have a 16 month old daughter. I planned to not have anymore children until I'm done with college and I'm stable. I didn't get on birth control because I haven't been sexually active in a long time. So my birthday just passed and I had a little party with some close friends . One of my really good friends I've know for a couple years now have liked eachother but we've just remained friends.. anyways we ended up having sex for the first time which is what I've been wanting to do for a while and he knew that. So at my party I had a few drinks and we had sex I wasn't thinking to tell him to put on a condom. He didn't cum tho because we ended falling asleep but anyways I told my mom since she asked and she was mad at me like "he didn't use a condom?!! When are you going to learn? I guess you're gonna continue to f**k your life up because you really don't listen. And she's like I really hope your sister Anna(20) doesn't make the same choices you make. Like seriously I guess you're gonna have a whole bunch of kids or abortions for the rest of your life. You've already been pregnant 3 times, 1 died, you kept the 2nd one and the 3rd one you terminated!! When are you going to learn?" So the whole way home she didn't talk to me and she was disappointed. And she's right so I decided to get my birth control in 2 weeks but she made me feel bad and I'm wondering will she forgive me. Just wanting advice that's all.