I don't think so. One only has to read what you have posted from the start of this thread.
''only your opinion'' to the extent it's ''the UK's opinion''. May be in your neighbourhood it is, may be in your local public house it is or, may be in your social circle it is.
For me and I guess nearly all the western/Phil relationships it's not.
I'm guessing that many of these relationships do have bigger age gaps the western/western relationships, I'm sure I will be corrected if I'm wrong.![]()