Hey, I'm a bit worried...

I have a pen pal for slightly more than a year now who live in Spain. We used to write once or twice a month, always depending on how much time we had... Now I sent a letter out to her in February (early February), but I have not heard from her since. At first I told myself that she was only busy (she has to young children and now picked up a job again), but then I got nervous that maybe my letter didn't arrive. I pm'ed her some weeks ago (i guess it was beginning of May) and told her that I was worried. I bid her to tell me if my letter didn't arrive and told her also not to push herself if she was just busy. I just didn't want her to think I forgot about her...
So I waited and didn't get an answer. I checked todays again and it looks like she read my message, she has been online from time to time, too.
I'm a bit unsure what to do now? pm her again? Wait if she answers me?
I decided to post this here, it's a pen pal matter...
By the way: 15 pen pals? Uff, that's a lot! I have 6 now and I'm quite busy

I used to have another one in Denmark, but we somehow lost each other...
W.I.P
Kreimhild's Revenge - Haed
Das Rheingold - Haed
Yule Angel -Haed
QS Theatre of the Absurd - Haed
Starlight - Haed
Eternal Promise - Haed
Finished
SK Storykeeper, QS Book End Kitties (Haed)
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