There are some situations that are so deeply embarrassing, or so horrifically terrible, that all we can do in response is shake our fist at the sky and yell "I hate my life!"
Optimists may tell you that the "FML" attitude is toxic - you always have something to be grateful for, and it's best not to dwell on the negative. While certainly, counting your blessings can be a very healthy practice, in some moments the best thing you can do for yourself is shed the pretense and admit a situation genuinely sucked.
Hopefully, these make you feel less alone on your next terrible, horrible, no good, very bad day.
I was sat in a coffee shop few years ago drinking a cuppa and eating a sandwich.
A little while into drinking I noticed a youngish couple sitting over from us, looking towards me and giggling. This went in for a good 5 minutes. So, to appear polite, and feeling a little paranoid, I thought I'd join in with their laughing session, so I looked towards them and began sniggering and chuckling at them. Some time passed and they left.