Friends, Family & Social Skills

Hi. I can't tell if my friend is mad at me. Yesterday she sent me a bunch of texts asking if she could park at my house so I can give her a ride to and from college. It would be once a week, and she doesn't want to pay for a parking garage pass. I didn't reply back to her text until this morning because I was nervous about telling her I didn't want to. It would just be stressful for me have to drop her off then wait around 3 hours for her to get out of class, and then pick her up after picking my daughter up from her bus stop.

So this morning I told her "I don't think I can commit to that because I'm busy during the week with doctors appointments but I can do it some days." Immediately after she replied with a one word text saying "ok." And hasn't replied to any of my other texts. I'm worried she is mad and giving my the "silent treatment." Maybe I'm just paranoid though.