[Grammar] I have made keen on swimming for years

[ambitious-girl]

Hi,
Is this sentence correct?

I have made keen on swimming for years because I find it such a relaxing recreational activity that it often can help to take my mind off any worries and problems I have. Also, it makes me feel less tens, nervous and stressed.

 

[emsr2d2]

Hi,
[STRIKE]Is this sentence[/STRIKE] Are these sentences correct?

I have [STRIKE]made[/STRIKE] been keen on swimming for years because I find it such a relaxing recreational activity. [STRIKE]that[/STRIKE] It can often [STRIKE]can[/STRIKE] help to take my mind off [STRIKE]any[/STRIKE] my worries and problems. [STRIKE]I have.[/STRIKE] [STRIKE]Also,[/STRIKE] It also makes me feel less tense, nervous and stressed.

See above.