1st, fixing your diet. Consuming a mostly animal based diet will benefit your looks.
2nd, either shave the beard or hop on minoxidil. Patchy beards are a failo so you must address this.
3rd If you aren't lean, (<15% bodyfat), then you should address that. There are two ways two go about this, one by eating slightly less calories and exercising but if you don't want to exercise then you can just participate in a calorie deficit.
4th, try to keep stress as minimal as possible, this will help you look your best.