Verb conjugation of "irritate" in English

On Thursday I have an appointment. If there is no other way, I'll move it. Can you meet on Tuesday, April 11, anyway? I suggest 10.30 in the morning, but I'm fairly flexible, so noon is good too.
I am a computer scientist and I also have a small restaurant with my younger sister (she is also already 53). You can come and visit, I will buy you a drink and we could chat a little.
I apologize that I have not written for such a long time! Please call me on my new phone number, that would be great! How is your son feeling, has he been recovering? I am sure that he will be fine.