Offering a Draw Badly

I'm not that much of an expert when it comes to chess, I just started last year but I really love being strategic in moving my pieces and studying the endgame still leaves me dizzy sometimes despite it being fun to solve in terms of puzzles in the end. There was this one game with me and some random player here, I was getting owned in the middle game as he had a more favorable position whereas mine was still questionable but my pieces were doing alright. Then in the endgame, somehow he blundered by taking a pawn with his rook and not seeing my bishop from a mile away just eyeing that pawn so I immediately took his rook and imagined him squirm so one after another he still played since he still had one more piece and it was a dark square bishop against my light square and a rook but I knew I was winning since the tide of the game changed completely by that one blunder. I know I shouldn't be all that happy with the way things turned out, if my position wasn't that good and I was getting owned, I'd resign since I knew when to lose and when to win. I know I shouldn't be happy by this win too much if I played my cards right since games are more rewarding if the other opponent played really well against you. When all hope seemed lost for the guy and I was gobbling up his pawns one after another and playing good moves, somewhere along the way maybe some inaccuracies, he only had a king left against my rook, light square bishop and a pawn being defended well by my light square. So all-in-all, this was 100% my win and I knew it already and I knew he "knew" already. But no, why do people offer a draw when they know they're clearly losing? I just think it's disrespectful and a rejection to your growth as a chess player. I of course declined his offer. I was fuming after that game, to think that the guy would resort to that kind of move when he knew he was losing. I'm sorry, I might have a bit of a temper but I don't show it in games, I only show them when it's reasonable. I have every reason to be mad at him. Sure, winning is good but losing helps you in improving yourself. I only resign when I think I would lose and I don't offer draws "when I lose", that'll just make me desperate. 

Haha, yeah I do otb, no shaming so far.

yes! I agree with much that you say. I never accept draw offers when the other 💩🗿 is clearly looking. Normally message " Have no honour " which is true for a great number on here.