A Flutter in Time

How do you get someone to reciprocate your love if they're already dead? You can't... unless you've got a friend with a time machine.
Etho is diagnosed with Hanahaki because he is desperately in love with bdubs. Only problem? Bdubs died of Hanahaki because he loved Etho. Now, Etho can't be cured because Bdubs cant reciprocate love from the grave.
Enter Doc. Etho's best friend and resident secret mad scientist who has figured out the secret to time travel. Now, Etho has the chance to go back and time and change his and Bdubs's fate. Simple enough! Until Future Etho accidentally bumps into someone...
Can Etho save both himself and Bdubs without ruining the future all while trying to not fall for the hot guy with a god complex?