He is doubling his effort. He can’t manage to survive till the end of the month or get movers without asking your for money but he buys flowers. Be careful telling him your salary, he’ll shower you with gifts (probably asking you to lend him money to pay for said gifts) in hopes to get back in. The guy is smart. He knows what’s he doing. Of course there is no crime to get back with him but sadly it won’t be long before drama will start again. Just be careful