Posting pictures

Thanks guys , appreciate the kind words .
I have a problem w/ trying to resize my pics for some reason , one of the mods. has spent a lot of time this evening , coaching me .
Got a couple to resize, but so far cant do it regularly . Maybe my p.c. , or my dumb --- , don't know yet . Only been wanting to for about 8-9 yrs . !!
I don`t remember who , but one of u guys suggested that may be the problem a while back, but I didn`t know how to do anything about it , the moderator I mentioned walked me thru it , but it doesn`t work every time > ????
I'm not 100% sure about PC but on my phone when I copy and paste it automatically resizes it. I remember years ago on another forum I was on when I used a PC (before smart phones) I had to use a photo app to resize them that maybe what's happening to you now.