Relationship that I never took a leap on (what now?)

To Be honest, it seems as if you already have your answer. :)….. Yes add him, everything led up to this point for a reason and clicking that request button could change things for the better or everything could stay the same. Either way it is worth checking out if you have had this past with him and haven’t been able to find him until now.

You could always send him pictures of your bulging underwear.

“Sorry for my cursing…”

Never fucking apologize for swearing

depends really. are you satisfied with the relationships you’ve been having lately? would things be better to just move on? i know i’m a seriously different and in a lot of ways much better AND worse person since 4 years ago. ignore bollox like “happening for a reason” if you live that way all the time you’ll never get anything you actually want. romanticising what could potentially be a very painful experience doesn’t do anything but justify your self inflicted pain. relationships are hard. long distance relationships are a fucking nightmare. i mean, if this is really special to you… tbh you wouldn’t have even had to ask.
that said my advice would be to add him and talk. be friends or something. feel shit out. get to know eachother again, but you’re no doubt going to be dealing with a very different person than the one you knew and as such holding on to that old image you had of that person will be completely inaccurate but still colour your new image. but if things are good with you and you feel its worth the pain and suffering that you would no doubt be going through with a relationship then well… its worth it ya know?