Could he be more vain? On Friday, August 16, Donald Trump, 78, was slammed by social media users after a clip of the ex-prez getting cheered for as he arrived at dinner circulated the internet. “This is what he lives for right here. Worship, adoration and praise. If only his mom had hugged him more, we might not be dealing with this,” one person penned alongside the footage in which Trump danced his way to a dining table as the audience hollered and clapped for him. The politician appeared to thoroughly enjoy his loving supporters as he saluted the group while wearing his classic navy suit and…