Things appear to be heating up between Rubina Bernabe and Tucker Des Lauriers, but Big Brother US fans are convinced it’s a showmance – and Tucker knows that all too well. Big Brother has come a long way from the humble British show hosted by Davina McCall. Back in the day we just had a scheming ‘Nasty Nick’ to watch-out for, now a cacophony of rules and strategical gaming are involved in season 26 of the US version of the show on CBS. One of these strategical moves is to be involved in a ‘showmance’ – a romantic connection between contestants that doesn’t last more than the length of airing. …