One of my colleagues that I get on with really well has just returned from travelling. We have been in touch and been communicating fb and WhatsApp. Anyway she came back on Monday and been totally off with me. We norm go out drinking, lunchtime together. I went to see her in her office first thing and her face was like thunder. She carried on with her work and wouldnt look up from her screen saying how busy she is and can't meet me for lunch. so simply tried to ask had she had a nice time? Very odd. I said if she can spare 5 mins to come see me in my office like she normally does as looking forward to hearing all about it. She didn't. I saw her in the corridor yesterday as returning from another office and she dashed down the other corridor when she saw me. I was talking with another colleague in the kitchen and she came up to them over the top giving them a big hug interrupting our conversation and ignoring me. I have absolutely no clue what is going On! AIBU? On her last day before travelling with her dh we went out for drinks and had a great time. I'm a bit in shock. WWYD?