What to do when you are really angry or unhappy and your partner makes fun of it or behave immatured?

she now temporarily lives in college hostel with roommates and we rarely get time alone to speak.

Today she was alone in room. So I took work from home to talk to her. I had important meetings and things at office.

But she talked very less today with ego because of a small issue happened yesterday. Now I was telling her how important my day was at office and still took wfh just to talk and all.. she replied making me fun like “ok ok ok.. ok”

what would you do?

What to do when you are really angry or unhappy and your partner makes fun of it or behave immatured?
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