On his introduction page it says he likes to collect dead things preserved in various ways and he mentions paleontology specifically here.

Caliborn is a Lord of Time. As a Lord of Time, which is an active dominating class, he embodies the destruction that the Time aspect is associated with. He will completely dominate the aspect of Time and manipulate it to his will.

Tavros was planning to propose to Vriska at one point and Vriska has frustrated concupiscent feelings for Tavros. 

Why would you ask us, a Homestuck fact blog, this 

Hussie mentioned this in his formspring but most of the fandom just pretty much ignored it. Many have interpreted it as a joke. 

Not from what  we’ve seen.

Sorry, we just don’t know if players who share aspects can ascend on each other’s Quest Beds or slabs.

BASICALLY, they’re just combo moves that players can buy.

Here, they must have mixed up their sweeps and years