The ultimate dilemma!

So this summer just gone myself and Rob where walking from his house to the local CostCutter to top up on fizzy pop and chocolates (sophisticated) when we noticed a large painting propped up against the wall outside somebody's house. We decided to investigate further and found the painting mounted, framed and in good condition and it was only about 15 seconds before I said "Should we take it? Could be worth something!". Rob glanced at the painting then to me, then back to the painting. The next words which he uttered will stay with me forever and cheer me greatly in times of sadness, boredom and that general melancholy which we all occasionally slip into. "What if it's cursed?" Now had I been a normal person (and you will soon find this is far from the case) I may have laughed and told him to cease such foolish banter on a saturday afternoon or simply shook my head and took it anyway. But what I actually did was promptly reply "Oh yeah! What if it's cursed?". This rapidly turned into a debate regarding the likelihood of the now titled "Ghost Ship" sailing out of the painting on forbidding nights and unleashing an angry crew of flesh eating zombie pirates into the owners house. The discussion carried on to the shop, throughout the browsing and purchase process and all the way back to Robs house (strolling straight past the currently painting on the way). At which point we realised we hadn't taken it and had no intention of going back for it. Because we really believed it could have been cursed or because we are inherently lazy? This little puzzle should be solved by simply following the crazed and often paranoid ramblings of either myself or Rob in the coming weeks/months/years (delete as appropriate). Aaaaaarrrrrrggghhh!