No one has ever meant to say that. Ever. When people are sad,other people try to make them not sad,and the naively try this perspective thing,to boost your ego. Sometimes it works. Sometimes it doesn't. You are allowed to do anything so I dont know what you mean by allowed, if you mean socially acceptable,sure,you can't burden aquantances with your troubles and expect anything more than a " atleast it's not worse" from them. With friends and family, you can expect more empathy, and even so you should be free enough to tell them that doesn't help so they can recalibrate their response.

And frankly this is very commonly known fact I thought. You should watch some people socialising on video potentially after seeing a therapist to learn better socialising.

Or youre whoring for karma/ fishing for an ego boost.